常用英语单词词根大全

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

17) co-, col-, com-, con-, cor- (with together) co- existence, cooperative ,

co-author,

coalition

,

coherent

,

coincide

,

coincidence

,

collaboration

,

colleague,

collide

,

collision,

collocation,

compassion,

compassionate,

concentric,

confederation, conjoin, coordinate, correlate, correlation, correspond

18)

inter-

(between,

among)

interchange,

interchangeable,

interdependent,

interpersonal,

interview,

interact

,

interaction,

intercourse

,

interface

,

interfere, interference, Internet, interrupt, interval, intervene

19) macro- (large) macroeconomics , macrocosm , macrostructure

20)

micro-

(extremely

small)

microcomputer,

microeconomics

,

microscope,

microphone, microsurgery, microelectronics, microbiologist

21) super- (greater or more than) super, supermarket, supersonic , superman,

superpower,

supernatural,

supervise

,

superb,

superficial,

superintendent

,

superior,

superiority , supreme, supersystem

22) sur- (more than, beyond) surplus, surtax, surface, surpass , surround,

survival, survive, suspect

23) ultra- (beyond, very, too) ultramodern, ultrasound, ultra-violet

24)

auto-

(of

or

by

oneself)

auto,

autocriticism,

autoland,

automobile,

automation , automatic, autobiography , autonomous , autonomy

25) mal- (bad, badly) malfunction, maltreat , malnutrition , malpractice

26)

tele-

(at

or

over

a

long

distance,

by

or

for

television)

telegram,

television,

telegraph,

telephone,

telecommunications

,

telescope,

telescreen,

teleswitch,

televise

28) semi-, hemi- (half) semicircle, semiconductor, semi- colony , semifinal,

hemisphere

29)

uni-,

mono-

(one)

uniform,

unify

,

union,

unique,

unit,

unite,

unity,

universe,

universal, university, monologue , monoplane, monopoly , monotone, monotonous ,

carbon monoxide

30)

bi-,

di-

(two)

biweekly,

bicycle,

bilateral

,

billion,

bilingual,

dialogue,

carbon dioxide

31)

tri-

(three)

tricycle

,

triangle,

triangular,

trilogy

,

triple,

trigonometry

32) quadri-, quadru- (four) quadruple, quadrangle

33) penta- (five) pentagon, Pentagon, Pentium