Prefixes and Their Meanings

Front

a, ab, abs

Back

away, from

Front

ad, a, ac, af, ag, an, ar, at, as

Back

to, toward

Front

bi, bis

Back

two

Front

circum

Back

around

Front

com, con

Back

together, with

Front

de

Back

opposite, from, away

Front

dis, dif, di

Back

apart, not

Front

epi

Back

upon, on top of

Front

equi

Back

equal

Front

ex, e

Back

out, from, forth