imprison [im`prizn] 禁锢
impromptu [im`prCmptju:] (im-不, pro-先，mpt=empt获得)a.临时的；未经准备的；即席的 spontaneous; unprepared; ad lib; improvised
impropriety [,imprE`praiEti] (im-不, properi适当的，-ety 名词后缀)n.不适当；不正确 unfitness; uncorrectness
improvident [im`prCvidEnt] (im-不，provid(e)预备，供给，-ent…的；“不为将来预备”)a.不积蓄的；浪费的 thriftless; lavish; extravagant; wasteful
improvise [imprEvaiz] (im-未，pro-先，vis看，见；“未事先预备好”)v.即兴创作；即兴演奏；临时凑 ad-lib; contrive; make do; throw together
imprudent [im`pru:dEnt] (im-=in-不，prudent谨慎的)a.轻率的；卤莽的 careless; hasty; impolitic; indiscreet; rash
impudent [impjudEnt] (im- 不， pud 谦虚的，-ent 形容词后缀)a.无耻的； 冒失的； 卤莽的 careless; foolish; impolite; rash
impugn [im`pju:n] (im-=in-反，pugn打)v.攻击；抨击；责难 attack; contradict
impulsive [im`pQlsiv] (im-=in-入，puls推，冲，-ive…的)a.冲动的；刺激的 hasty; impetuous; instinctive; rash
impunity [im`pju:niti] (im-不，pun罚，-ity名词后缀)n.不受刑罚；无患 amnesty; exemption; immunity; security
impurity [im`pjuEriti] (im-不，pur纯，净，-ity名词后缀)n.不纯；有罪； 杂质 dirtness; defilement; corruption; filth
impute [im`pju:t] (im-=in-=to, put认为)v.归咎于 ascribe; assign; attribute; refer
inaccessible [,inAk`sesEbl] (in-不，ac-=ad-=to, cess走，-ible易…的)a.难以接近的；难以达到的 remote; unapproachable; unattainable; isolated
inaction [in`AkFEn] (-ion名词后缀)n.不活跃；迟钝；懒散 immobility; inactivity; rest; idleness; stagnation
inactive [in`Aktiv] (in-不， act行动，-ive…的)a.不活动的；不活跃的；迟钝的 inert; immobile; inoperative; idle
inactivity [,inAk`tiviti] (-ivity 名词后缀)n.不活跃；迟钝，懒散
inadvertent [,inEd`vE:tEnt] (in-不，ad-=to, vert转，-ent…的)a.不注意的；疏忽的 careless; untended; unintentional
inanimate [in`Animit] (in-无, anim生命，-ate形容词后缀)a.无生命的，无生气的 lifeless
inappropriate [,inE`prEupriit] (in-不，appropriate适当的)a.不适当的，不相宜的 unbecoming; unfitting; ill-suited; out of place
inaugurate [i`nC:gjureit] (in-=en-使…，augur占卜，预兆，-ate 动词后缀；“预兆成为现实”)v.使就职；开创 install; introduce; initiate; instate
incapacitate [,inkE`pAsiteit] (in-不，cap装，-acit(y)+-ate复合动词后缀)v.使不能；使无能力 disable; disqualify; unfit; immobilize
incarcerate [in`ka:sEreit] (in- 向内， 入内， carcer 监狱， -ate 动词后缀)v.监禁； 禁闭 imprison; jail; shut up; confine
incense [in`sens] (in-=in=on, cens=cand发光)v.激怒 enrage; exasperate; excite; irritate; infuriate
incentive [in`sentiv] (in-=on, cent歌，唱歌，-ive名词后缀)n.刺激；激励；诱因 enticement; impulse; inducement; stimulus
inception [in`sepFEn] (in-=on, cept拿，-ion形容词后缀；“开始拿”)n.开始，开端 initiation；inauguration; commencement; onset
incessant [in`sesnt] 不断的 continuous
incidental [,insi`dentl] (in-=on, cid降临,-ent+al复合形容词后缀)a.偶然的；临时的；附属的 accidental; fortuitous; extraneous; unexpected
incipient [in`sipiEnt] (in-=into, cip拿，-i-, -ent形容词后缀)a.开始的，初期的 beginning; initial introductory
incise [in`saiz] (in-入，cis切；“切入”→)切开，雕刻
incisive [in`saisiv] (in-入，内，cis切，-ive形容词后缀；“易切入”)a.尖刻的，犀利的；激烈的 acute; piercing; trenchant; biting; crisp
incite [in`sait] (in-=on, cite激起)v.激励，刺激；煽动 urge; rouse; excite; provoke; stir; instigate; agitate
inclement [in`klemEnt] (in-不， clement 仁慈的)a.险恶的； 严酷的 rough; harsh; severe; stormy
inclination [,inkli`neiFEn] (-ation名词后缀)n.倾斜；爱好 tendency; attention; propensity; preference
incline [in`klain] (in-=towards, clin倾向)v.倾向，倾斜 tend; slope; grade
include [in`klu:d] (in-入，内，clud关闭；“关在里面”，“包入”→)包含，包括，包住，关住
incoherent [,inkEu`hiErEnt] (in-不,coherent连贯的)a.不连贯的;无条理的;松散的 disconnected; disordered; unconnected; inarticulate
incomparable [in`kCmpErEbl] 举世无双的
incongruity [,inkCN`grui:ti] (in-不，congruity一致)n.不一致；不和谐 unfitness; incompatibility
incongruous [in`kCNgruEs] (in-不，congruous一致的)a.不一致的；不协调的 inappropriate; unsuited; inharmonious; contradictory
inconsistency [,inkEn`sistEnsi] (in-不，con- 一起，sist站，-ency名词后缀)n.不一致的；矛盾 incoherence; incongruity
inconsolable [,inkEn`sEulEbl] 伤心的 depressed
inconspicuous [,inkEn`spikjuEs] (in-不，conspicuous显眼的)a.不显眼的；不引人注目的 hidden; insignificant; ordinary; plain
incorporate [in`kC:pEreit] (in-=into, corpor体，-ate动词后缀；“合为一体”)v.结合，合并 join; unite; combine; unify; merge
incorporeal [inkC:`pC:riEl] (in-无，非，corporeal 形体的)无形体的，无实体的，非物质的
increase [in`kri:s] (in-内，向内，crease生长)v.增进，增加 enlarge; extend; expand; raise
incredible [in`kredEbl] (in-不，cred相信，-ible易…的)a.难以置信的 unbelievable; doubtful; questionable; staggering; absurd
incredulity [,inkri`dju:liti] (-ul-, -ity名词后缀)n.不信 distrust; unbelief; doubt
incredulous [in`kredjulEs] (-ous…的)a.怀疑的；不轻信的 skeptical
incriminate [in`krimineit] (in-在上，crimin=crime 罪， -ate 动词后缀)v.控告； 归罪于 accuse; charge; impeach; criminate
inculcate [in`kQlkeit] (in- =on 在上， culc=calc 踩， -ate 动词后缀;“使印记在心里”)v.反复灌输； 谆谆教诲 instill; implant; infuse; teach
incumbent [in`kQmbEnt] (in-=on在上, cumb 躺， -ent 形容词后缀)a.责任所在的； 负有… 义务的 obligatory; resting as a duty
incur [in`kE:] (in-入，cur跑)v.招致，遭遇 contract; catch; gain; fall into
incurable [in`kjuErEbl] 无可救药的
incursion [in`kE:F(E)n] (in-内，入内，curs跑→行走，-ion名词后缀；“走入”，“闯入”→)进入，侵入，入侵，侵犯
indecent [in`di:snt] (in-不，decent合宜的)a.不体面的；不适当的 coarse; immodest; improper; ignoble
indefatigable [,indi`fAtigEbl] (in- 不， de- 加强意义， fatig 疲劳， -able…的)a.不疲倦的； 不屈不挠的 untiring; tireless; unwearied; persistent
indelible [in`delibl] (in-不， del←delet 破坏， -ible 易…的)a擦不掉的； 不能消除的 indestructible; enduring; lasting; fixed; permanent
indemnify [in`demnifai] (-i-, -fy动词后缀)v.赔偿；补偿；保护；保障 compensate; reimburse; preserve; secure
indemnity [in`demniti] (in-不，demn伤害，损害，-ity名词后缀)n.赔偿(物)；补偿；保证 amnesty; compensation; insurance; guarantee
indent [in`dent] (in-入，内dent牙齿，齿)v.使凹进，刻成锯齿状 dint; dent; notch; cut; nick
indenture [in`dentFE] (-ure名词后缀；“连接处为锯齿状的东西”)n.合同 contract
indicate [indikeit] (in-=en-使…做，dic示，指示，-ate动词后缀)v.指示，指出；表示 show; exhibit; reveal; disclose; demonstrate; imply
indict [in`dait] (in-反对，dict说)v.控诉 charge; sue; accuse
indictment [in`daitmEnt] (-ment名词后缀)n.起诉；告发 accusation; presentment; crimination
indifference [in`difrEns] (in-不，dif-分开，区分，fer拿，-ence名词后缀)n.漠不关心 lack of concern
indigenous [in`didVinEs] (indi←indu-在…内，gen生，-ous…的；“土生土长”)a.土产的；土著的 native; local; original; aboriginal
indignant [in`dignEnt] (-ant形容词后缀)a.愤怒的，愤慨的 angry; irate; wrathful
indignity [in`digniti] (in-不，无，dign有价值的，-ity名词后缀)n.轻视，侮辱 affront; slight; dishonor; outrage; insult; injury
indisposed [,indis`pEuzd] (in-不，未，dispos(e)布置，-ed…的)a.不舒服的；不愿意的 ill; ailing; sick; unwill
indisputable [,indis`pju:tEbl] (in-无，disput争辩，-able可…的)a.无可争辩的；无可置疑的 absolute; certain; irrefutable
indite [in`dait] (in-=en-使，dit=dict言)v.撰写；作(诗、文) compose; write
individual [,indi`vidjuEl] (in-不，divid分开，-ual名词或形容词后缀；“不可分开”)n.个体；个人 body; soul; person a. 个别的；单独的；独特的
indolent [indElEnt] (in- 不， dol 感到痛苦， -ent 形容词后缀)a.懒散的； 不积极的；不痛的；小痛的 idle; lazy; causing little or no pain
indomitable [in`dCmitEbl] (in-不，dom家，-it-,-able…的)a.不可征服的；不屈不挠的 invincible-indefatigable; unyielding
induce [in`dju:s] (in-入, duc引导)v.说明；诱劝；引诱 persuade; cause; move; evoke; influence
indulgent [in`dQldVEnt] 1. 放任的，2. 宽容的
industrious [in`dQstriEs] (indu-=in-内，str=stru堆集，-y形容词后缀；“不断向内堆集”)a.勤劳的；努力的 diligent; zealous; persevering
inebriated [i`ni:brieitid] (in-加强意义， ebri 喝醉， -at(e)动词后缀，-ed…的)a.醉的； 喝醉的 drunk; intoxicated; tipsy
inedible (in-不，edible 可吃的)不可吃的，不适合食用的
ineffable [in`efEbl] (in-不，ef-出，fabl说)a.说不出的；不可名状的 unspeakable; unutterable; indescribable
iniquity [i`nikwiti] (in-不，iqu=equ平均，-ity名词后缀)n.极不公正；不法 unjust act; sin; wickedness; viciousness
initial [i`niFEl] (in-入，内，it走，-ial…的)a.开头的，最初的 beginning; primary; introductory
initiate [i`niFieit] (-i-, -ate动词后缀)v.创始，开始 start; begin; originate
inject [in`dVekt] (in-入，ject投，发射)v.投入；注射 fill; insert; infuse
injury [indVEri] (in-不，jur正直，-y名词后缀)n.不公正；损伤，伤害 damage; harm
innate [i`neit] (in- 向内， nate 生)a.天生的； 先天的 essential; inborn; inherent; intrinsic; native
inner [inE] (in-在内，-n-, -er 形容词比较级)a.在内的；内部的 inside; interior; internal; inward
innermost [inEmEust] (most最…的)a.最内部的；最隐私的 located farthest within; most intimate or secret
innocence [inEsns] (-ence名词后缀)n.无辜 freedom from sin or moral wrong
innocent [inEsnt] (in-无，noc伤害，-ent形容词后缀)a.无罪的；无害的 guiltless; sinless; faultless; blameless; harmless
innocuous [i`nCkjuEs] (-u-, -ous…的)a.无害的 innoxious; innocent; harmless
innovate [inEuveit] (in-加强意义，nov新，-ate动词后缀，使…)v.改革，革新 change; introduce; modernize
innovation [,inEu`veiFEn] (ion名词后缀)n.革新, 新制度
innuendo [,inju:`endEu] (in- 向内， nue 点头)n.暗示， 暗讽 hint; implication; insinuation; suggestion
inordinate [i`nC:dinit] (in-不，ordin次序，-ate动词后缀；“不按次序”)v.过份的； 过度的 exorbitant; excessive
inpair [im`pZE] (im- =in-加强意义， pair←pejor 变坏)v.削弱；损害 diminish; reduce; damage; weaken; injure
inquisitive [in`kwizitiv] (in-内，入，quis询问，-ive…的)a.好问的；好奇的 intrusive; questioning; curious; probing
insane [in`sein] (in-不，sane稳健的)a.疯狂的；患精神病的 crazy; disturbed; mad; lunatic; deranged
insatiable [in`seiFjEbl] (in-不，sati足，-able…的)a.不知足的；贪婪的 immoderate; incontrollable; unsatisfiable
inscribe [in`skraib] (in-入，scrib写)v.写，记；铭，刻，雕 sign; write; carve; engrave; imprint; incise
inscription [in`skripFEn] 题字；碑铭 caption
insect [insekt] (in-入，sect分；“身体分节者”)n.昆虫
insecticide [m`sektisaid] (insect虫，-i-, 接连字母，cid杀)杀虫剂
insecure [insi`kjuE] (in-不，secure安全的)不安全的
insecurity [insi`kjuiti] (in-不，security安全)不安全
insensate [in`senseit] (in-不，无，sens感觉，-ate形容词后缀)a.无感觉的；愚钝的 dull; torpid; stupid; senseless
insert [in`sE:t] (in-入，内，sert连接)v.插进；加进；刊登 embed; enter; introduce; put in
insidious [in`sidiEs] (in-内，sid坐，-ious…的；“坐在内部…坐探”)a.阴险的；狡猾的 crafty; crooked; cunning; sly; wily
insight [insait] (in-入，sight看)n.洞察；见识 grasp; discernment; intelligence; observation; vision
insinuate [in`sinjueit] (in-入，sinu弯曲，-ate动词后缀)v.暗暗滑进；暗示 allude; hint; imply; suggest
insipid [in`sipid] (in-不，无，sip=sag味道，-id…的)a.无味的；枯燥的 dull; flavorless; monotonous; savorless; stale
insolent [insElEnt] (in- 不 , sol习惯于， -ent 形容词后缀； “不合习俗的”a.侮辱的；无礼的； 傲慢的 abusive; arrogant; bold; disrespectful; impudent
insolvency [in`sClvEnsi] (in-不，solv解开→解决，-ency名词后缀)n.无力偿还；破产 failure; bankruptcy; ruin; liquidation
insolvent [in`sClvEnt] 无力偿还的；破产的
insomnia [in`sCmniE] (in - 不， somn 睡眠， -ia 名词后缀)n.失眠； 失眠症 sleeplessness; wakefulness
inspire [in`spaiE] (in-入，spir呼吸，吸)v.鼓励；激励 encourage; enliven; enthuse; motivate; stimulate; stir
instability [instE`biliti] (in-不，stability稳定)n.不稳定；动摇；不坚决 changeableness; uncertainty; variability; irresolution
install [in`stC:l] (in-内，stall放)v.安装；使就职 establish; fix; settle; inaugurate
installment [in`stC:lmEnt] (-ment名词后缀；“一部分一部分地放”)n.分期付款 payment; repayment
instantaneous [,instEn`teinjEs] (in-=on在，stant站，-aneous…的；“在现场站着的”)a.即时的；瞬时发生的 instant; immediate
instigate [instigeit] (in-入，stig=sting刺)v.教唆；煽动 incite; provoke; agitate
instill [in`stil] (in-入，still小滴，滴)v.滴注；灌输 imbue; infuse; inject; din onto
instinct [instiNkt] (in-入，stinct刺；“刺激以促使其行动”)n.本能；天性 aptitude; feeling; reaction; sixth sense
institute [institju:t] (in-入，stitut放)v.开始；设立；制定 commence; create; enact; establish; initiate
institution [,insti`tju:FEn] (-ion名词后缀)n.设立；规定；制度 establishment; enactment; formation
insulate [insjuleit] (insul岛，-ate动词后缀，使…；“使成岛状→ 使孤立”)v.使孤立；隔离 isolate; separate
insuperable [in`sju:pErEbl] 不能超越的；不能克服的 unconquerable
insure [in`FuE] 1. 投保，2. 使确实
insurgent [in`sE:dVEnt] (in-加强意义，surg升起，-ent…)a.起义的；暴动的 rebellious; revolting; revolutionary
insurrection [,insE`rekFEn] (surrec=surg升起，-tion名词后缀)n.起义；暴动 rebellion; revolt; revolution; riot
intact [in`tAkt] (in-不，tact接触)a.未触动的；完整的 entire; unbroken; perfect; complete
intangible [in`tAndVEbl] (in-不，tang接触，-ible可…的)a.不能触知的；捉摸不透的 bodiless; inponderable; indefinite; vague
integral [intigrEl] (integr完整，-al…的)a.完整的 whole, complete
integrate [intigreit] (-ate动词后缀，使…)v.使一体化，联合；使完全 coordinate; unite
intellectual [,inti`lektjuEl] (intel-=inter-中间，lect选择 ，-al 名词后缀，表示人；“择优选择出来的人”)n.知识分子a. 聪明的 wise
intelligence [in`telidVEns] (-ence名词后缀)n.聪明；智力 mental ability
intelligent [m`telidVEnt] (intel-=inter-中间，lig选择，-ent形容词后缀)a.聪明的 sensible; bright
intelligible [in`elidVEbl] (-ible可… 的)a.可理解的 understandable
intense [in`tens] (in-加强意义，tens延伸→拉紧)a.紧张的；强烈的；剧烈的 acute; fervent; fierce; strained; vehement
intention [in`tenFEn] (in-入，tent延伸，伸，-ion名词后缀；“伸入”)n.意图；目的 aim; design; goal; object; target
intentional [in`tenFEnl] (-al…)a.有意的；故意的 deliberate; designed; prearranged; purposed
interact [,intE`Akt] (inter-相互，在…之间，act做，表演)v.相互作用 act reciprocally
interaction [,intEr`AkFEn] (-ion 名词后缀)n.相互作用；相互影响；干扰 action on each other; interference
intercede [,intE`si:d] (inter-在…间, ced走)v.调停，仲裁；代为求情 interfere; intervene; mediate; negotiate; arbitrate; refree
intercept [,intE(:)`sept] (inter-在…中，cept夺)v.中途拦截；阻止 interrupt; check; arrest; stop
intercession [intE`seF(E)n] (inter-中间，…之中，cess行，-ion名词后缀；“介入其中”…)居间调停，调解，说情
intercourse [intEkC:s] (inter-在…间，相互，cours跑)n.交际；交通；交往 communion; commerce; dealings
interfere [,intE`fiE] (inter- 相互， fere 打)v.打扰； 干涉； 冲突 impede; intrude; intervene; obstruct; clash
interior [in`tiEriE] (inter在内，-ior形容词比较级；interior原为拉丁语形容词in的比较级)a.在内的；内部的；国内的 internal; inside; central; domestic; inland
interject [,intE(:)`dVekt] 突然插入
interlope [,intE(:)`lEup] (inter-在…间， lope 干涉)v.侵占他人权利；干涉 intrude on; meddle
interloper [intE`lEupE] (-er 表示人)n.闯入者； 侵夺他们利益者 intruder; trespasser; meddler; interferer
intermediary [,intE(:)`mi:djEri] (inter- 在…间， medi 中间， -ary 名词或形容词后缀)n.居间的； 中间的 being or happening between; intermediate
interminable [in`tE:minEbl] (in-无，term界限，-in-, -able的)a.无终止的；冗长的 endless;; long; perpetual; dragging 421 0 0
intermittent [,intE`mitEnt] (imter-在…间，mit放，-t-, -ent形容词后缀)a.间歇的 periodic; recurrent; broken; unsteady
internal [in`tE:nl] (inter在内，-n-, -al…的)a.内的；内部的；国内的 inner; inside; interior; private; domestic
interplay [intE(:)`plei] (inter- 相互， play 玩)n.相互影响； 相互作用 interaction; interchange; reciprocation
interrogate [,in`terEgeit] (inter-在…间，rog问，-ate动词后缀)v.提出问题；审问 question; quiz; test; inquire of
interrupt [,intE`rQpt] (inter-在…间，rupt破裂，断裂)v.打断；遮断 intrude; stop; intrusion; pause
interruption [,intE`rQpFEn] (-ion名词后缀)n.打断；插嘴；中止 break; disconnection; intrusion; pause
intersect [,intE`sekt] (inter-相互，sect切)v.相交，交叉；横切 cross; cress cross; cut; across
interval [intEvEl] (inter- 在…间， val 木栅)n.间歇； 休息时间 break; gap; pause; period; term
intervene [,intE`vi:n] (inter-在…间，ven来，到)v.插入；介入；干涉；调停 interfere; involve; intrude; occur; mediate
interview [intEvju:] (inter-在…间，相互，view看，见)n.接见；会见；访问 conference; meeting; press; consultation
intimacy [intimEsi] (-acy名词后缀)n.亲密；亲切 closeness; friendship; familiarity; confidence
intimate [intimit] (原为与interior相对应的最高级)a.内部的；亲密的；密切的 private; close; friendly; internal
intimidate [in`timideit] (in-在内，timid胆小的，-ate动词后缀)v.恫吓，恐吓；威胁 alarm;; bully; dismay; threaten
intolerable [in`tClErEbl] (in-不，toler容忍，-able…的)a.难以忍受的 insufferable; unbearable; unendurable
intoxicate [in`tCksikeit] 使醉
intrepid [in`trepid] (in- 不， trep 警觉， -id…的)a.无畏的 bold; courageous; gallant; valiant
intricate [intrikit] (in- 向内， tric 迷惑， -ate 动词后缀)v.错综复杂的； 难懂的 complex; involved; knotty; tangled
intrigue [in`tri:g] (in- 向内， trig=tric迷惑)n.阴谋； 诡计 collusion; conspiracy; plot; scheme; trickery
intrinsic [in`trinsik] (intrin-=intra-向内，sic=sue伴随)a.内在的；本质的 internal; inherent; natural
introduce [intrE`dju:s] (intro-入，duc引；“引入”→)引进，介绍
introduction [,intrE`dQkFEn] (intro-进，入，duct引导，-ion名词后缀)n.介绍；引论 the preliminary section of a book
introspection [,intrEuspekFEn] (intro-向内，spect看，-ion名词后缀)n.内省，反省 self-examination; self-analysis; brooding
intrude [in`tru:d] (in-入，trude推) v.硬挤入；闯入；侵入；打扰 infringe; force in; encroach; violate; interfere
intuition [,intju:`iFEn] (in-加强意义，tuit看护→看，ion名词后缀)n.直观；直觉 insight; instinct; perception
inundate [inQndeit] (in-入，und波，-ate 动词后缀)v.泛滥；淹没 overrun; overwhelm; submerge; overflow
inurbane [,inE:`bein] (in-不，urbane有礼貌的)a.粗野的；不礼貌的 crude; not urbane
inure [i`njuE] (in- = en- 使， ure习惯)v.使习惯； 生效 habituate; come into use; take effect
invade [in`veid] (in-入，vad走)v.侵入，侵犯；拥入 attack; infest; infringe; pervade; rush into
invalid [invEli:d] (in-不，val强，-id…的)a.虚弱的；病人用的 feeble; infirm; weak
invariable [in`vZEriEbl] (in-不，vari变化，-able…的)a.不变的；恒久的 constant; fixed; habitual; permanent
invasion [in`veiVEn] (invade的名词形式)n.侵略；侵犯；侵害 attack; aggression; intrusion; encroachment; offensive
inventory [invEntri] (in-=upon, vent来，-ory名词后缀)n.消单；财产目录 detailed list of goods; furniture, etc.
inverse [in`vE:s] (in-向内，vers转)a.逆的；相反的 contrary; converse; inverted; opposite; reversed
invert [in`vE:t] (in-向内，vert转)v.倒转；倒置；颠倒 overturn; reverse; capsize; transpose; upturn
invest [in`vest] (in-使, vest穿衣服；“在穿衣方面的支出”)v.投资；用在 spend; charge; devote; supply
investigate [in`vestigit] (in-在内，vestig脚印→追踪，-ate动词后缀)v.调查；侦察 examine; probe; enquire; into
investigation [in,vesti`geiFEn] (-ion名词后缀)n.调查 enquiry; exploration; inquest; fact; finding
inveterate [in`vetErit] (in- =in内， vet 老， -er+-ate 形容词后缀)a.根深蒂固的； 积习过深的 deep-rooted; habitual; confirmed
invidious [in`vidiEs] 易招怨恨的
invincible [in`vinsEbl] (in-不, vinc征服, -ible可…的)a.不可征服的;无敌的
invocation [,invEu`keiFEn] (in-=on, voc叫唤，-ation名词后缀)n.祈求；祈祷 prayer; petition; summoning
invoke [in`vEuk] (in-=on, vok叫唤)v.祈求；恳求 beseech; implore; apply; entreat
involuntary [in`vClEntEri] (in-不，非，voluntary自愿的)a.非自愿的；非故意的 unintentional; forced; conditioned
involve [in`vClv] (in-内，入，volv卷)v.(使)卷入；(使)陷入；包含 implicate; associate; contain; embrace; include
irradiate [i`reidieit] 照耀
irrational [i`rAFEnl] (ir-=in-不， rational合理的)a.不合理的；没理性的 absurd; crazy; illogical; senseless [align=center][/align]
irreconcilable [i`rekEnsailEbl] (ir-不，reconcil(e)和解，-able可… 的)a.不能和解的；不可调和的；敌对的 inconsistent; conflicting; incompatible; conflicting
irregular [i`regjulE] (ir-不，reg规则，-ular…的)a.不规则的；非正规的；不平坦的 disorderly; abnormal; unusual uneven
irrelevant [i`relivEnt] (ir-不，relevant有关的)a.不相干的；不切题的 inapplicable; inconsequent; unconnected; unrelated
irreparable [i`repErEbl] (ir- =in-不，reparable 可修补的)a.不可弥补的； 无可挽救的 irreversible; irremediable; not reparable; can't be repaired; remedied, etc.
irrigate [irigeit] (ir- =in-在上， rig←rigare 水， -ate 动词后缀)v.灌慨 dampen; inundate; water; wet
irrigation [,iri`geiFEn] 灌溉
isolate [aisEleit] (isol=insul岛，-ate动词后缀)v.使隔离 segregate; detach; separate
iterate [itEreit] 重做；重述 repeat
itinerant [i`tinErEnt] (it行走，-iner-, -ant形容词后缀) a.巡回的 wandering; peripatetic
janitor [dVAnitE] 管门者 doorman
jaunty [dVC:nti] (jaunty←genty, gen生，-t-,-y…的)a.快活的；时兴的 airy; buoyant; lively; stylish
jealous [dVelEs] (jeal=zeal热心，-ous…的)a.珍惜的；妒忌的 desirous; envious; grudging; green
jeopardy [dVepEdi] (jeo=joke玩笑→游戏，pard=part部分，-y名词后缀)n.危险 danger; peril; endangerment; risk
jettison [dVetisn] (jet=ject投掷，-tison=tion)v.投弃 cast; scatter; reject; discard
jocose [dVE`kEus] (joc笑话，-ose形容词后缀…的)a.滑稽的；诙谐的 joking; funny; humorous; jesting
jocular [dVCkjulE] (-ular…的)a.爱开玩笑的；滑稽的 jocose; amusing; comical; jesting; humorous
jocund [dVCkEnd] (joc笑话，und可似为词根，意为“波”)a.欢乐的；愉快的 cheerful; gay; merry; joyous
jolt [dVEult] 摇动；使颠簸 joggle
journalist [dVE:nElist] (journ日→日报→新闻，-al-, -ist表示人)n.新闻工作者；新闻记者 report; newsman
jovial [dVEuvjEl] 快乐的
judgment [dVQdVmEnt] (judg判断,-ment名词后缀)n.判断，判断力 faculty or process of analyzing and comparing facts or elements and forming an opinion; 判决；
judicious [dVu(:)`diFEs] (jud判断，-icious…的；“有判断力的”)a.有见识的；明智的 wise; sensible; thoughtful
juggle [dVQgl] (jug←joc笑话，玩笑，-g-, -le动词后缀) v.变戏法；欺骗 alter; disguise; play tricks
juncture [dVQNktFE] (junct连接，-ure名词后缀)n.接合点，交界处 junction; joint; linking
juridical [dVuE`ridikEl] (jur正直→法律，dic说，-al…的)a.司法上的；法律上的 judical; legal
jurisdiction [,dVuEris`dikFEn] (juris法律,dict说，-ion 名词后缀)n.司法权；裁判权 judicature; lawful power; authority
jury [dVuEri] (jur发誓，-y名词后缀)n.陪审团
justice [dVQstis] (just正确，正直，-ice名词后缀)n.正义；公平，公正 just conduct; fair dealing
juvenile [dVu:vinail] (juven年少，-ile的)a.青少年的，幼年的；幼稚的 young; youthful; immature; infant
juxtapose [,dVQkstEpEuz] (juxta-次，反，pos放)v.把… 并列，使并置 place side by side
kernel [kE:nl] 中心；要点；核仁
kidnap [kidnAp] 绑架；勒赎 abduct
kilogram [kilEgrAm] (kilo-千，gram克)千克，公斤
kindred [kindrid] 同类的
kit [kit] 装备
knave [neiv] 骗子；诡计多端的人 rogue
laborious [lE`bC:riEs] (labor劳苦，-ious…的) a.勤劳的 diligent; sedulous; assiduous
labyrinth [lAbErinW] (labyr=labor劳苦，in=into进入，-th名词后缀)n.迷宫 complexity; complication; maze; tangle; puzzle
lace [leis] (lac=lic诱使，引诱→联系)v.相联，紧联 fasten; secure; tighten
lackluster [lAk,lQstE] (lack 无，luster光泽)n.无光泽的；没有生气的 dull, lacking brightness
lair [lZE] 野兽的巢穴
landmark [lAndma:k] (land土地，地面，mark记号)n.界标；里程碑 signpost; milestone; beacon; feature
languid [lANgwid] (langu疲倦，虚弱，-id…) a.倦怠的；没精打采的 weak; sluggish; listless; torpid; drooping
languish [lANgwiF] (-ish动词后缀)v.倦怠；衰弱；焦思 sink; decline; fade; droop; weaken; wither; desire
languor [lANgE] (-or名词后缀)n.倦怠；衰弱；憔悴；沉闷 tiredness; weakness; the condition of being dull or still
lapse [lAps] (laps滑走)v. & n.下降；跌落 sink; decline; slump
larceny [la:sni] 盗窃；盗窃罪 robbery
latch [lAtF] 门锁
latent [leitEnt] 隐藏的；不易被察觉的 concealed
lateral [lAtErEl] (lat侧，边,-er+-al…的)a.侧边的；旁边的；横的 edgeways; flanking; sideward; sideways; oblique
latitude [lAtitju:d] (lat侧→横，-itude抽象名词后缀)n.纬度；行动或言论的自由范围 span; width; range; extent; scope
lavatory [lAvEtEri] (-atory名词后缀，表示场所)n.洗手间；厕所 bathroom; toilet; washroom; water-closet
lavish [lAviF] (lav冲洗，-ish动词或形容词后缀；“冲洗掉”)v.浪费 waste; squander
lay [lei] 放置
lease [li:s] (leas放开→租放出去)v.出租；租得 rent; let; hire; chater
legal [li:gEl] (leg法，-al…的)a.合法的；法律的 lawful; legitimate; valid; just
legalize [li:gElaiz] (-ize动词后缀)v.合法化，法律认可 sanction; authorize; legitimate; permit by law
legend [ledVEnd] (leg说→传说，-end名词后缀) n.传说，传奇 story; fiction; myth; fable
legible [ledVEbl] (leg读，-ible易…的)a.易读的 readable; plain; clear
legion [li:dVEn] (leg=lig选择，收集，-ion名词后缀)n.军团 brigade; troops
legislate [ledVisleit] (legis 法，-l-, -ate动词后缀)v.立法 enact; make laws
legislature [ledVisleitFE] (-t-,-ature名词后缀) n.立法机关
legitimate [li`dVitimit] (legitim=legis法，-ate形容词后缀) a.合法的 lawful; legal; admitted; permitted
leisure [leVE] (leis=lic允许，-ure名词后缀；“时间上允许”)n.闲暇；空闲 liberty; recreation; spare time; holiday
lethargic [le`Wa:dVik] (leth隐藏，a-离开，rg=erg活动，-ic…的)a.迟滞的；昏睡的 inert; apathetic; sleepy; drowsy
lever [li:vE] 杠杆
leverage [li:vEridV] (lev举起，举，-er-, -age名词后缀；“举足轻重”)n.影响 influence; weight; authority
levity [leviti] (lev使轻，-ity名词后缀)n.轻浮 lightness; want of weight
levy [levi] (lev升起→增加，-y名词后缀，这里转化为动词) v.征收，课税 collect; gather; charge
liability [,laiE`biliti] (-ility名词后缀) n.责任，义务 the state of being liable
liable [laiEbl] (li捆，-able易…的)a.易…的，有…倾向的 apt; probable
liberal [libErEl] (liber自由，-al…的)a.大方的 ample; generous; abundant；宽大的
license [laisEns] (lic允许，-ence名词后缀)n.许可证；执照 permit; warrant
lie [lai] 躺
lieu [lju:] (lieu←loc地方，位置) n.(仅用于)in lieu of …代；代替 in place of; instead of
likely [laikli] 有可能的
limber [limbE] 使(自身)变柔软灵活 supple
linear [liniE] (line直线，-ar形容词后缀)a.线的，直线的 relating to length only
linger [liNgE] (ling长，-er 动词后缀；“停留长”)v.逗留 stay; remain; tarry; loiter; lag
linguist [liNgwist] 语言学家
literal [litErEl] (liter文字，-al…的)a.文字上的；字母的；逐字的 exact; precise; unimaginative
loathe [lEuW] 厌恶；嫌恶
locate [lEu`keit] (loc位置，-ate动词后缀)v.使座落于；找出；设置 establish; discover the position
locksmith [lCk,smiW] 锁匠
locomotive [lEukE,mEutiv] (loco位置，地方，mot运动，移动，-ive形容词或名词后缀)a.移动的 moving
logical [lCdVikEl] (log说，-ical…的；“说话、推理符合逻辑的”)a.逻辑的；合理的 rational; sane; reasonable; sensible
longevity [lCn`dVeviti] (long长，ev年龄，-ity名词后缀)n.长命，长寿 long duration of life
longitude [lCNdVitju:d] (long长，-itude抽象名词后缀)n.经度
loom [lu:m] 隐现；隐约可现
loquacious [lEu`kweiFEs] (loqu说，-acious形容词后缀，多…的)a.多话的；过于健谈的 chatty; talkative; garrulous
loyal [lCiEl] (loy←leg法，-al…的；“守法的”)a.忠实的；忠诚的 devoted; faithful sincere; true; trustworthy
loyalty [lCiElti] (-ty 名词后缀)n.忠实；忠诚 allegiance; devotion; reliability; faithfulness
lucid [lju:sid] (luc光，-id…的)a.光辉的，清楚的，明白的 lustrous; transparent; translucent; distinct; explicit
ludicrous [lju:dikrEs] (lud玩，戏，-icr+-ous…的)a.滑稽的，可笑的 ridiculous; absurd
lull [lQl] 使入睡；使安静
luminosity [,lju:mi`nCsiti] (-osity抽象名词后缀)n.光辉；光度 brightness; the quality or condition or condition of being luminous
luminous [lu:minEs] (lumin光，-ous…的) a.闪光的；发亮的；灿烂的 radiant; beaming; bright; gleaming
lump [lQmp] 堆；团；大量 block
lunge [lQndV] (lung←long长；“延长”)v.冲，冲刺 dash; leap; set upon; dart
lure [ljuE] (lure吸引)v.吸引；诱惑；引诱 attract; draw; entice; allure
luscious [lQFEs] (luscious是licious的变体，lusc=lic诱惑，-ious…的)a.甘美的；芬芳的 appetizing; delicious; desirable savory
luster [lQstE] (lust光，-er名词后缀)n.光泽；光彩 shine; brightness; brilliance; gleam; gloss
lustrous [lQstrEs] (lustr光，-ous…的)a.有光泽的；光彩的 bright; shining
lusty [lQsti] (-y形容词后缀；“满脸红光的”)a.强壮的；精力充沛的 strong; vigorous; robust; powerful
luxuriant [lQg`zjuEriEnt] 繁茂的；多产的
luxurious [lQg`zjuEriEs] 奢侈的
macrobian (macro-长，bi生命，-an表示人)长寿的人
maculate [mAkjulit] (macul 斑点， -ate 动词后缀)v.弄污 spot; stain; blur; blotch
magnanimous [mAg`nAnimEs] (magn-宏大，anim心灵，-ous…的)a.宽宏大量的 generous; noble; honorable
magnate [mAgneit] (-ate名词后缀)n.巨头，大资本家
magnify [mAgnifai] (magn大，-i-, -fy 动词后缀)v.放大；夸大； 夸张 extend; expand; broaden; stretch; exaggerate
magnitude [mAgnitju:d] 大小；量；长(度) bulk
maintenance [meintinEns] (main手，ten拿，-ance名词后缀；“拿在手里”)n.维持；保养；支持 upkeep; sustenance; support
majestic [mE`dVestik] (-estic…的)a.尊严的；高贵的 grand; noble; dignified; eminent; regal; royal
majesty [mAdVisti] (maj大，-esty名词后缀)n.尊严；尊敬 royalty; dignity
malady [mAlEdi] (mal-坏，-ad+-y名词后缀)n.疾病 sickness; disease; disorder; infirmity
malcontent [mAlkEn,tent] 不平者；不满者
malediction [,mAli`dikFEn] (male-坏，恶，dict说，-ion名词后缀)n.诅咒；诽谤 curse; imprecation
malefactor [mAlifAktE] (male-恶，坏，fact做，-or者；“做坏事者”→)作恶者，坏分子，犯罪分子
malevolent [mE`levElEnt] (male-恶，vol希望，-ent形容词后缀)a.恶毒的；有恶意的 malicious; hostile; evil
malice [mAlis] (mal-恶，-ice 名词后缀)n.恶意；敌意 ill will; wish to harm
malign [mE`lain] (mal-恶，坏，-i-, gn生；“生恶意”)v.中伤；诽谤；诬蔑 slur; shander; defame; smear
malignant [mE`lignEnt] (-ant形容词后缀)a.恶毒的；恶性的；有害的 malicious; malevolent; harmful; mortal; lethal
malleable [mAliEbl] (mall铁锤，-able可…的；“可用铁锤敲打的”)a.可锻的；有延展性的 plastic; pliable; tractable; adaptable
mallet [mAlit] (mall铁锤，木槌，-et名词后缀，表示小)n.木槌 wooden hammer
mandate [mAndeit] (mand命令，-ate名词后缀)n.命令；授权 command; order; dictate; injunction
mandatory [mAndEtEri] (-ory…的)a.命令的；训令的；义不容辞的 obligatory; compulsory; required
maneuver [mE`nu:vE] (man手,euv劳动，工作，-er 名词后缀)n.(军事)演习 war game
mangle [mANgl] (man手，-g-, -le动词后缀；“用手弄坏”)v.损坏；伤害；撕裂 mutilate; injure; wound; tear apart
maniac [meiniAk] (mania疯狂)n.疯子；狂人 madman; violently insane person
manifest [mAnifest] (man 手，-i-, fest碰；“用手触摸以弄明白”)a.明白的；显然的 clear; apparent; evident; obvious
manipulate [mE`nipjuleit] (man手，-i-, pul装满，-ate动词后缀)v.巧妙地处理；操作；操纵 handle; operate; conduct; maneuver
mansion [mAnFEn] (man留，-sion名词后缀；“停留处”)n.大厦；宅邸；住处 a large; imposing house; a residence
mantle [mAntl] 披风；斗篷； 覆盖物 cloak; vover; covering; cape
manual [mAnjuEl] 1. 手制的 2. 使用手册
manufacture [mAnju`fAktFE] (manu手，fact作，制作；“用手制作”，古时生产全用手操作)制造，加工
manure [mE`njuE] (man手，-ure名词后缀；“用手做→施肥”)v.施肥 fertilize
margin [ma:dVin] (marg=mark记号，-in后缀；“供做记号的地方”)n.天头，地脚；富余；余量 edge; rim; scope; side; surplus
marine [mE`ri:n] (mar海，-ine形容词后缀)a.海的，海生的；海运的 of, by, found in, or produced by the sea
maritime [mAritaim] (it行走，-ime=-ine形容词后缀)a.海的；海运的 marine; naval
marsh [ma:F] (mar海，-sh名词后缀)n.沼泽地 swamp; bog
marvel [ma:vEl] (marv=mir惊奇，-el名词后缀)n.奇迹 miracle; wonder
masquerade [,mAskE`reid] 1. 化装舞会，2. 乔装，伪装
massacre [mAsEkE] 大屠杀 slaughter
material [mE`tiEriEl] 材料
materiel [mE,tiEri`el] 军备
maternal [mE`tE:nl] (mater母，-n-, -al…的)a.母亲的 motherly
matrimony [mAtrimEni] (matr母，-i-, -mony 名词后缀)n.婚姻，婚礼；婚姻生活 marriage; wedding; married life
matron [meitrEn] (-on 名词后缀)n.主妇，保姆 woman; lady
mature [mE`tjuE] (ma 熟， -ture 名词后缀，这里作动词和形容词)v.成熟 ripen; grow up
maudlin [mC:dlin] 易落泪的
maul [mC:l] (maul←mall 铁锤；“用铁锤打”)v.打伤；弄伤；虐待 batter; beat; manhandle; maltreat
maxim [mAksim] (max大→重要，-im-=-um名词后缀；“重要的话”)n.格言 proverb; apothegm; dictum; saying
maximum [mAksimEm] (um名词后缀)n.顶点；最大；最大量 greatest amount; greatest possible
maze [meiz] (maz困惑)v.迷茫；混乱 complex; tangle; muddle
measles [mi:zlz] 麻疹
meddle [medl] (meddle=medle混)v.弄乱；干预 interfere; interpose; intervene; intrude
mediate [mi:dieit] (med中间，-i-,-ate动词或形容词后缀)v.调停 settle; negotiate; intercede; intervene; arbitrate
mediocre [mi:diEukE] (ocre山峰)a.平常的，平庸的；中等的 average; ordinary; moderate; medium; adequate
