雅思常用词根

常用英语词根大全

常用英语单词词根大全

1)

dis(not,

the

opposite

of)

disadvantage,

dislike,

disagree,

disappear,

disarm,

disaster,

disastrous,

disappoint,

disable,

disability,

discharge,

disclose, discount, discourage, discover, discovery, discrepancy,

disease, disgrace, disguise, disgust, dishonor, dishonest, dislike,

dismay,

disorder,

dispatch,

disperse,

displace,

displacement,

displease,

disregard, dissatisfy, distort , distract, disintegrate, isparage,

dispassion, disproportionate

2) in- (not, in, into) inability, incorrect, inability, incapable,

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, inland , 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

,

invaluable

,

invariably

,

invasion,

invert

,

investigate, invisible, involve, inward, incomplete, indecisive,

inedible, inept, inevitably, infection, infirm, injection, innate,

insatiable, insecurity, insider, insidious

3) im- (not, in, into) impossible, imbalance, immature, immoral,

impatient,

implicit

,

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, unusual, unaware, enlightened, unparalleled, unsustainable,

6) non- (not) nonsmoker, nonexistence, non-cooperation, nonstop,

nonmetal, nonresident, nonsense, nonfundamentalist, nonspecialist

7)

mis-

(wrong,

wrongly)

mislead,

misspell,

misstep,

misfortune,

misuse,

misguided, misinformation

8) de- (showing the opposite, to remove, to reduce) deform, deface,

demobilize, destruction, deforest, denationalize, depress, depression,

decode, decrease, degenerate , degrade , descend, descendant , descent

9)

pre-

(before,

in

advance)

prefix,

pre-historic,

precaution,

precede

,

preceding, preclude , predecessor , predict, predominant , preface,

prejudice, preliminary, premature , premier , premise , premium ,

preparation,

prepare,

prepay,

preside

,

president,

presumably,

presume

,

pretext

,

prevail,

prevent,

previous,

prewar,

preconception,

prediction,

prescientific, presumptively

10)

ante-,

(before,

in

advance)

anteroom,

ante-Christian,

antemeridian,

anticipate, antique

11) fore- (in advance, before, in or at the front) forearm, forehead,

foreman, foretell , foresee , forefather , foreleg, forerunner , fore ,

foremost, forecast, forewarn

12)

ex-

(out,

out

of,

former)

ex-minister,

ex-president,

ex-Soviet

Union,

ex-wife, export, exclude, exclusive, excursion, exhibit, exile , exit,

exotic , expand, expansion, expedition , expel , expend , expenditure ,

expense, explode, explosion, explosive, expose, exposition , exposure,

express, expression, extend, extension, extensive, exterior, external,

extinct, extra, extract

13) post- (later than, after) postgraduate, postwar, postmeridian,

postpone, postscript

14)

sub-

(under,

below,

less

important)

sub,

subject,

subway,

subtitle,

subdivide, submarine , sub-zero, submerge, submit, subordinate ,

subscribe , subsection, subsequent, subsidiary , subsidy , substance,

substantial, substitute, subtract, suburb, subconsciously, subtly

15) infra- (below in a range, beyond) infrastructure , infrared

16)

re-

(again,

back

to

a

former

state)

react,

reaction,

recall,

recede

,

receipt,

recipient

,

reclaim

,

recognize,

recognition,

record,

recorder,

recover, recovery, recreation, recur , recycle , redundant , reflect,

reflection,

reflexion,

reform,

refrain

,

refresh,

refreshment

,

refund

,

refute , reinforce, reject, remember, remind, removal, remove,

renaissance , renew, repay , repeat, repeatedly, repel , repetition,

replace,

replacement,

represent,

representative,

repression

,

reproduce,

respect,

respond,

response,

responsibility,

responsible,

restore,

resume,

return, reunion , revise, revive