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Latin Prefixes
Common Latin Prefixes
| Latin Word | Meaning | Examples |
|---|---|---|
| ab- | from; away from | abnirmal, absent |
| ad- | to; motion toward; addition to | adapt, addict |
| aero- | air | aerobic, aerobiology |
| amphi- | both, around | amphibian, amphitheater |
| an- | not | anonymous, anarchy |
| ante- | before | antecede, antedate |
| anti- | against; opposite; reverse | antibiotics, antifreeze |
| ap- | to; nearest to | approximate |
| auto- | self | automatic, autograph |
| bene- | good | benediction, benefactor |
| bi- | two | bifacial, bicycle |
| circum- | around | circumference |
| co-, con- | together | coauthor, coworker |
| contra- | against | contradict |
| de- | opposite of; away from; former | deactive, deform, degrade |
| dis- | opposite | disagree, disarm |
| ex- | out; beyond; away from; former | excel, exclude, exhale |
| extra- | outside; beyond; besides | extraordinary |
| for- | not | forbid, forget, forgo |
| fore- | before | forecast, foreword, forestall |
| hyper- | more than normal; too much | hyperactive, |
| il- | not | illegal, illegible, illiterate |
| im- | into | immediate, immerse, immigrate |
| im- | not | imbalance, immature, immobilize |
| in- | not; go into | inaccurate, inactive |
| inter- | among; between | interaction, intercede, interchange |
| intra- | within | intramural, intrastate |
| ir- | not | irredeemable, irregular, irresponsible |
| mal- | wrong; bad | maladjusted, malfunction |
| mis- | wrong; bad; no; not | misfire, misbehave, misconduct |
| non- | not; opposite of | noncommittal, nonconductor |
| ob- | against | obstacle, obstinate, obstruct |
| per- | through | percolate, perceive |
| post- | after | postgraduate |
| pre- | before | preamble, prearrange |
| pro- | before; for; in support of | prognosis, program |
| pro- | forward | proceed, produce |
| re- | back; again | recall, recede, reflect |
| retro- | backward | retroactive |
| se- | apart | secure, secede, secession |
| self- | of the self | self-taught, self-respect |
| semi- | half, partly | semicircle, semiformal |
| sub- | under; beneath | subcontract, subject |
| super- | over | superabound, superabundant |
| trans- | across; over | transatlantic, transcend |
| ultra- | extremely | ultraliberal, ultramodern |
| un- | not | unable, uncomfortable, uncertain |
| sur- | over; above | surchange, surface |