常用英语词根

常用英语词根

常用英语单词词根大全

1) dis(not, the opposite of)

disadvantage,dislike,disagree,disapperd,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, ine, 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, inplete, 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) , , ir- -

(not)

illegal, illiterate, illogical

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- -

(n ot)

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 , predict

predecessor,, 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) e__ -

(out, out of, former)

e__minister, e__president, e__Soviet Union,e__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-, -, con-, cor- (with

together) co-existence, cooperative , co-author, coalition , coherent ,

coincide , coincidence , collaboration , colleague, collide , collision,

collocation, passion, passionate, 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) microputer, 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, telemunications , 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 34) hexa- (six) hexagon, hexangular mill- (thousand)

millennium, millimeter

35) sept- (seven) September, Sept-Wolves nona- (nine) nonagon,

November 36) octa- (eight) octagon, octave, octopus, October 38) deci-,

deca- (ten) decade, decimal 39) centi- (hundredth part) centigrade,

centimeter, centipede, century 40) kilo- (thousand) kilo, kilometer,

kilogram (me), kilowatt 42) multi- (many) multipurpose, multinational,

multiple, multiply, multitude 43)counter-,anti-,contra- (opposite, against

counteract, counterattack, counterclockwise, counterrevolutionary,

antibiotic, antigravity, antimatter, antiwar, antinuclear, contradict ,

contradiction, contramissile, contranatural, contrary, contrast,

anticonsumerism 44) mini- (smallest, short) minibus, miniskirt, minimum,

minister, ministry, minor, minority, minute 45) ma__ (greatest) maximum,

maximal, maximize 46) out- (outside, beyond) outdo, outwit, outlive,

outnumber, outdoor, outstanding, outskirts , outward, oute, outer, outing ,

outline, outlook, output, outrage , outside 47) over- (too much, above,

additional) overwork, overuse, overtake, overpass , overthrow , overturn ,

overall, overdue , overhead, overhear , overlook, overseas, overtime 48)

trans- (across, on or to the other side of) transaction , transatlantic,

transcend , transfer, transform, transistor , transit , transition , translate,

translation, transmission, transmit, transmitter, transparent, transplant,

transport, transportation 49) under- (too little, below) underdevelop,

underdevelopment, underestimate, undergraduate, underground,

underlie , underline, undersea, underlying , undermine , underneath,

underwear

50) neo- (new) neo-Nazism, neolithic 51) be- (cause to be or have)

befriend, belittle 52) bio- (life) biology, biography , autobiography,

antibiotic, biochemistry, biosphere, biomedical 53) en- em- (cause to bee,

put into the stated condition) embody, empower, endanger, enlarge,

enrich, enpass, enthrone, entrench 54) extra- (outside, beyond)

extracurricular, extraordinary 55) mid- (middle) midday, midnight 56)

poly- (many) polycentric, polydirectional, polysyllabic 57) pseudo- (not

real, false) pseudomemory, pseudonym, pseudoscience 58) thermo- (heat)

thermochemistry, thermometer 59) vice- (next in rank below) vice-chairman, vice-president 60) aero- (air) aerial , aeroplane, aeronautics,

aerospace 61) cross- (across, going between the stated things and joining

them) cross-country, crossbreed 62) intra- (inside, within; into) intracity,

intra-department, intranet 63) pro- (in favor of, supporting) pro-America,

pro-abortion 64) self- self-employed, self-taught 65) step- (not by birth

but through a parent who has remarried)