1、常用英語單詞前綴大全（否定前綴篇）im-加在字母m，b，p之前impossible（不順能的），impolite（不禮貌的），impudence（厚顏無恥）in-加在形容詞，名詞之前incorrect（不正確的），inability（無能，無力），inaccurate（不準(zhǔn)確的）ir-加在以r開頭的詞前irregular（不穩(wěn)定的），irresistable（不可抵抗的），irresolvable（不能分解的，不能解決的）un-加在名詞，形容詞，副詞之前unfinished（未完成的）undoubted（無疑的）unemployment（失業(yè)）還有一些前綴的規(guī)則：non-加在形容詞，名詞前no

2、n-existence（不存在），non-essential（不主要的），non-electrical（非電的）8.mis加在動(dòng)詞、名詞之前misunderstand（誤解），misjudge（誤判），misleading（誤導(dǎo)），misfortune（不幸）9.dis-加地動(dòng)詞之前disappear（消失），disarm（解除武裝），disconnect（失去聯(lián)系）10.de-加在名詞，形容詞之前demobilize（遣散；使復(fù)員） decolor （脫色， 漂白）11.anti-加在名詞、形容詞之前anti-japanese（抗日戰(zhàn)爭），anti-social（厭惡社會(huì)的，反社會(huì)的），an

3、tidite（解毒藥）12.counter-加在名詞、動(dòng)詞前counterattack（反攻，反擊），counteract（抵抗，阻礙）counterrevolution（反革命） dis(not, the opposite of)disadvantage, dislike, disagree, disappear, disarm, disaster, disastrous, disappoint, disable, disability, discharge, disclose, discount, discourage, discover, discovery, discrepancy,

4、disease, disgrace, disguise, disgust, dishonor, dishonest, dislike, dismay, disorder, dispatch, disperse, displace, displacement, displease, disregard, dissatisfy, distort , distract, disintegrate, isparage, dispassion, disproportionate2) in- (not, in, into) inability, incorrect, inability, incapabl

5、e, indirect, inhuman, injustice, informal, inside, include, inclusive, income, increase, increasingly, incredible, indefinite, independence, independent, indifferent, indirect, indispensable, individual, indoor, inertia , inevitable, infamous , infinite, inhabit , inhabitant, inherent , inject, inla

6、nd , inlet , inner, innocent, innumerable , input, inquire, inquiry, insane, insensitive, insert, inside, insight, insist, inspect, inspiration , inspire, install, installation, installment , instance, instant, instinct, insulate , intense, interior, internal, into, intrinsic, invade, invalid , inva

7、luable , invariably , invasion, invert , investigate, invisible, involve, inward, incomplete, indecisive, inedible, inept, inevitably, infection, infirm, injection, innate, insatiable, insecurity, insider, insidious3) im- (not, in, into) impossible, imbalance, immature, immoral, impatient, implicit

8、, impress, impression, import, immigrate, imprison, immerse 4) il- (not) illegal, illiterate, illogical ir- (not) irregular, irresponsible, irrespective 5) un- (not) unable, uncover, undo, undoubtedly, undress , uneasy, unemployment , unexpected, unfold , unfortunately, unimportant, unlike, unload,

9、unusual, unaware, enlightened, unparalleled, unsustainable,6) non- (not) nonsmoker, nonexistence, non-cooperation, nonstop, nonmetal, nonresident, nonsense, nonfundamentalist, nonspecialist7) mis- (wrong, wrongly) mislead, misspell, misstep, misfortune, misuse, misguided, misinformation8) de- (showing the opposite, to remove, to reduce) deform, defac