List of prefixes
| Prefix see also: affix | Meaning | Example |
|---|---|---|
| a- | not | atypical |
| ab- | ||
| ac- | ||
| acro- | ||
| adeno- | ||
| aero- | ||
| agro- | ||
| an- | ||
| andro- | ||
| anemo- | ||
| Anglo- | English | Anglo-German relations |
| ante- | before | antenatal, (before, birth) |
| anthro- | relating to man | anthropomorphic |
| anti- | against | anti-European, antisocial |
| auto- | self | autobiography |
| baro- | ||
| bi- | two | bicycle, bilingual, bimonthly |
| biblio- | relating to books | bibliography |
| bio- | relating to life | biotechnology |
| blasto- | ||
| brady- | ||
| brom- | ||
| broncho- | ||
| caco- | ||
| cardio- | ||
| cent-, centi- | hundred | centenary, centimeter |
| cephalo- | ||
| circum- | around | to circumnavigate (to sail around) |
| cito- | ||
| co- | together | copilot, to coexist, cooperation |
| colpo- | ||
| con- | with, together | context |
| contra- | against, opposite | to contradict, to contraflow |
| cosmo- | ||
| counter- | against, opposite | counterrevolution, counterproductive |
| crino- | ||
| crio- | ||
| cripto- | ||
| croma- | ||
| crono- | ||
| dactilo- | ||
| de- | taking something away, the opposite | to defrost, to decentralize |
| deci- | one tenth | deciliter |
| demo- | ||
| dermo- | ||
| di- | ||
| didacta | ||
| dinamo | ||
| dis- | reverse, opposite | to displease, to disembark |
| domo- | ||
| doxo- | ||
| eco- | ||
| ecto- | ||
| edafo- | ||
| electro- | ||
| embrio- | ||
| encephalo- | ||
| endo- | ||
| entero- | ||
| epi- | ||
| ergo- | ||
| eritro- | ||
| eroto- | ||
| esclero | ||
| espasmo- | ||
| esperma- | ||
| esphero- | ||
| esphigmo- | ||
| espleno- | ||
| esquizo- | ||
| estafilo- | ||
| estilo- | ||
| estomato- | ||
| ethno- | ||
| eu- | ||
| Euro- | European | Euro-MP (member of the European Parliament) |
| ex- | former | ex-wife, ex-president |
| exo- | ||
| extra- | very, more than usual, outside, beyond | extra-thin, extra-special extraordinary, extraterrestrial |
| fore- | before, in advance, foreground, forehead | to foretell, foreword |
| in-, il-, im-, ir- | not | incorrect, invalid, illegible, immoral, impatient, impossible, irregular, irrelevant |
| inter- | between, from oneto another | international, interracial |
| kilo- | thousand | kilogram, kilowatt |
| maxi- | most, very large | maximum |
| mega- | million, very large | megabyte, megastar |
| micro- | one millionth, very small | microgram, microorganism |
| mid- | in the middle of | mid-afternoon, mid-air |
| milli- | thousanth | milligram, milliliter |
| mini- | small | miniskirt, minibus, miniseries |
| mis- | bad or wrong, not | to misunderstand, to misbehave, to miscalculate |
| mono- | one, single | monolingual, monorail |
| multi- | many | multilingual |
| non- | not | nonsense, non-resident, non-smoker |
| non- | nine | nonabyte, none, nonagon |
| out- | more, to a greater degree | to outdo, to outrun |
| over- | more than normal, too much | to overeat, to oversleep, to overestimate |
| post- | after | postwar |
| pre- | before | prepaid, preview |
| pro- | for, in favour of | pro-European, pro-democracy |
| quad- | four | quadruple, quadruplet |
| re- | again | to rewrite, to rebuild |
| semi- | half | semicircle, semidetached |
| sub- | below, less than, under | subzero, subsonic, subway, subtitles |
| super- | extremely, more than | superhuman, supersonic |
| tele- | far, over a long distance | telecommunications, television, telephoto lens |
| trans- | across, though | transatlantic, transcontinental |
| tri- | three | triangle, tricolor |
| ultra- | extremely, beyond a certain limit | ultra-modern, ultraviolet |
| un- | not, opposite, take something away | uncertain, uncomfortable, unsure, to undo, to undress |
| uni- | one, single | uniform |
