英语常见前缀和后缀

Commonly Used Prefixes and Suffixes

I. Prefixes

英语单词中的前缀就好比众多词汇的 姓氏，

掌握单词的前缀，

就找到了一条扩大词汇量的

但是一般而言，

前缀只用于改变原词义，

增添新词义或加强原词义，不改变单词 本

身的词性。

但是有三个例外，

be-,

en-/

em-,

a-,

这三个前缀并不改变单词的基本意义，

而是改变单

词的词性。

Memorizing the following Prefixes, Suffixes:

Prefixes:

1. co-/com-/ con-/ col-: together

一起

coexist, collaborate,

2. re-: again, back, against

recede, react, reject, resist

3. ex-: former and still living, out, outside

Export, expose, exit, extract, expel, exhale, ex-president, ex-mayor, ex-wife, ex-boyfriend

4. inter-: between

International, interschool, inter- group, interact

redo, review, refresh, renew, restore, reconstruct, reunion, recall,

5. intro-/ intra-: within, inward

Intra-company, introspect, intra-office, intra-school

6.

semi-:

half

Semifinal,

semiofficial

半官方的

,

semidetached

半独立的

s emicircle,

semiconductor,

7. mono-/ uni-: one, single

Monocycle

单轮车

, monotone

单调

, monorail

单轨

, monoplane

单

翼飞机

,

monolingual

单语言

,

monosyllable

单音节

,

monologue

独白

Unique,

uniform,

unilateral

8. bi-/di- / du- : two, double

bicycle, bilateral, dialogue, dioxide, duplex, duplicate

9. tri-: three

triangle, triangular, trilingual, tricycle, trilateral

10. quadric-/ quadr(a)-: four, one fourth

quadrilateral, quadrangle, quadrant

11.

quinqu(e)-/

quint-/

penta-:

five

quinquelateral,

quinquesection,

quinquagenarian,

quinquangular, quintessence, pentagon, pentathlon

12. sex-/ hex(a)-: six

sexagenarian, sextant, sexangular, hexagon, hexagonal

13. sept-/ hept-: seven

septangle, septangular, septuagenarian, septennial, heptathlon

14. pre-: before

preview, predict, prehistoric, prejob, premature, presuppose

15. per-: through

persist

16. oct(o)-/ oct(a)-: eight

octogenarian, octagon/octogon, octopus/ octopus, octennial

17. ennea-: nine

enneasyllable, enneagon

18. dec(a)-/ deci-: ten, one tenth

decade, decathlon, decagon, decimal, decimeter, decapod

19. kilo-/ milli-/ mille-: one thousand, one thousandth

1

Kilogram, kilometer, milligrade, millimeter, milliliter, millisecond, millennium

20. demi-/ hemi-/ quasi-: half

Demigod, hemisphere, quasiofficial, quasischolar

21. holo-/ pan-: all

Hologram, pan American, pan African, Pan Am.

22. omni-: all, all over

omnipresent, omniscience, omnisex, omnivore/ omnivorous

23. poly-: many

polyfunction, polysyllable

24. ante-: before

anteroom, anteport, antedate, ante meridiem

audience, audible, auditorium, auditor, audiometer, audio- visual

autograph,

autobiography,

automatic,

automat,

autoalarm,

25. audit-/ aud-: hearing

26. auto-: self

automobile

27. be-: make

belittle, becalm, befriend, befool

28. extra-: beyond (the opposite of intra-, intro-)

Extracurricular, extraordinary

29. counter-: in the opposite direction, against

Counterattack

反攻

,

counterrevolution

反革命

< br>,

counteraction

反作用

,

counterview

相反的观点

,

counter-espionage department

反间谍部

30. post-: after,

postwar, postpone, post meridiem

31. anti-: against

Antitank

反坦克

, antiwar

反战

, antifreeze

防冻剂

, antibiotic

抗生素

32. non-: not

Non-natural

非自然

, nonmetal

非金属

, nonstandard

不标准

nonsense, non-stop,

non- smoking area

33. multi-: many

Multimedia

multiple

multitude

34. super-: above, more than

Supersonic plane

超音速飞机

35. hyper-: extremely, too

Hypercritical

吹毛求疵

, hypersensitive

过度敏感

, hypertension

过

度紧张

, hyperacid

过酸

36. trans-: across, from one place to another place

Transport

transmigrate

transplant

37. de-: acting against, down, away

使离开，除掉

Detract

depose

38. pro-: before, forward, for, in favor of

向前

有

……

倾向

Proclaim

pro-America

亲美的

, pro-Japan

亲日的

, pro- war

好战的

39. sub-: under

Subway

地铁

, subterranean

地下的

subtract

40. over-: too much, above, over, beyond

Over-+adj.: overcredulous, overanxious, overexcited

Over-+n.: overweight, over-bridge/ overpass, overload

Over-+v.: overact, overburden, overdo, overeat, overestimate, overpay, oversleep

41. a-/an-: not, without

Ahistorical

与历史无关的

asexcial

无性别的

amoral

无道德的（跟道德无关的）

asocial

不交

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