Prefixes and Their Meanings

Front

ante

Back

before (Examples: antedate, antecedent, antebellum, anterior, ante meridiem, antepenult) - Origin: Latin

Front

anti

Back

against (Examples: antiaircraft, antibody, anticlimax, anticline, antitoxin, antithesis) - Origin: Greek

Front

bi

Back

two (Examples: bilateral, bicycle, binary, bimonthly, biped, bipolar, binocular, bicuspid) - Origin: Latin

Front

circum

Back

around (Examples: circumnavigate, circumspect, circumvent, circumlocution, circus) - Origin: Latin

Front

com

Back

together (Examples: combination, comfort, commensurate, common, complete, combo) - Origin: Latin

Front

con

Back

together (Examples: contract, confidence, confine, confederate, conjunction, contact) - Origin: Latin