常见前缀后缀

前缀

表示否定，负态度的前缀：

a-: 无，不，非

acentric amoral asocial asexual atypical apolitical asymmetry ahistorical adynamic

ab-: 离去，相反，不

abnormal abuse abduct ablacatation abaxial absorb

an-: 无，不

anonymous anoxia anechoic anhormonic anelectric anarchism

de-: 否定，非，相反，除去，取消，毁，离开，向下，降低，减少destruction demobilize decompose decolonize desalt decode depress devalue

dif-:分开，否定，不

diffluence differ diffident diffuse

di, dis-:不，无，相反，取消，除去，毁，分开，离，散

disport dispirit digress dishonest discomfort disagree disorder disbelieve disapper

dys-: 不良，恶，困难

dysfunction, dysphonia, dyspepsia, dysgenesis dyspathy

hyper-: 超过，过多，太甚

hypermilitant hypersensitive hypersexual hyperslow hyersuspicious hypercriticism hyperactive

il-:不，无，非

illegal illogical illimitable illiberal illocal

im-:不，无，非

impossible, imperfect, impure, impolite, immovable, imbalance

in-:不，无，非

incorrect inhuman injustice informal insensible incapable

ir-:不，无

irregular irrational irrelative irresolute

mal-: 恶，不良，失，不

maltreat malpractice malnutrition malediction malformation maldevelopment malcontent

mis-: 误，错，恶，不

misspell misread misunderstand mispolicy misfortune mistrust mistreat

un-: 不，无，非，未，取消，除去，弄出

unreal unhappy unclean unfortunate unfriendly uncomfortable unjust

under-: 不足，少

underpay underestimate underwork underpopulated

表示肯定的前缀：

ac / ad / af / ag / ap / ar / as / at / a：表加强，肯定

bene-: 善，好

benevolent benediction beneficent benefaction

eu-: 优，善，好

eugenics eulogize euphemism euphonic eupepsia euthenics

表示反对，相反的前缀：

contra-:反对，相反，相对

contra-missile contraclockwise contradict contraposition

counter-:反对，相反

counterrevolution counterattack countermarch countermove counterplot

anti-:反对，相反，防止

antiwar antitank anti-imperialist antiforeign antislavery antinoise antifat

雅思常见词根表

acu == sharp acute 敏锐的；尖锐的acumem 敏锐；聪明acupuncture 针灸alti == high altitude 高度altimeter 高度计exalt 提高；提升

ambula == walk ambulance 救护车ambulant 流动的ambulate 行走、移动

ann == year anniversary 周年纪念annual 每年的annals 编年史

anthro == man anthropoid 似人类的；类人猿anthropology 人类学anthroposociology 人类社会学

arch == ruler monarch君主anarchism 无政府主义patriarch 家长、族长

aster/astr == star astrology 占星术astronomy 天文学asterisk 星号，星标

audi == hearing audience 听众audible 听得见的audiphone 助听器

auto == self automation 自动化autobiography 自传autosuggestion 自我暗示

bio == life biology 生物学biography 传记biocide 杀虫剂

brevi == short brief 简短的brevity 简洁

equ == same;equal equality 平等equivalence 对应物equator 赤道

faci == easy facile 易得到的，不花力气的facilitate 使...容易

fact == make;do manufacture 制造factory 工厂benefactor 恩人，施恩者

fer == carry;bring ferry 轮渡transfer 搬运，转移interfere 干预

fin == end;limit finalize 使...了结infinite 无限的define 限定，下定义

flect/flex == bend reflect 反射，反映flexible 易弯曲的reflexctor 反射镜

flu == flow influence 影响fluent 流利fluid 流动的；液，流体

form == shape reform 改革conform 符合

frag == break fragile 易碎的fragment 碎片fracture 骨折

gen == produce generate 产生genetics 遗传学genesis 起源，创始

geo == land;earth geology 地理学geometry 几何学geocide 地球末日

leg == law illegitimate 非法的legislate 立法legislature 立法机关

literat == letter literature 文学illiterate 文盲semiliterate 半文盲的

loc == place location 地点allocate 分配localism 地方主义

lumi == light;bright illuminate 照明illuminance 照明度luminary 发光体，杰出人物

magni == big;great magnificent 宏大的magnify 放大magnitude 巨大，广大man(u) == hand manufacture 生产，加工manage 管理manuscript 手稿

mar == sea submarine 潜艇maritime 海事的，海运的mariner 海员

meter/metri == measure thermemeter 温度计altimeter 高度计

mit/miss == send emit 放射vomit 呕吐transmission 播送，传送

mort == death mortal 致命的immortal 不朽的postmortem 死后的

nomin == name nominal 名义上nominate 提名innominate 无名的，匿名的nounce == proclaim acupuncture 针灸punctual 准时的，精确的

rupt == break corruption 腐败interrupt 打断bankrupt 破产

scop == see;look at microscopic 微观的macroscopic 宏观的

scope == instrument for observing microscope 显微镜telescope 望远镜

scribe/script == write;writing;look at describe 描述prescription 处方

sequ == follow consequence 后果sequence 次序sequel 结局，续集