Prefix Meanings in English

Front

ad-

Back

to, toward

Front

com-, con-

Back

with, together

Front

de-

Back

off, from

Front

dia-

Back

across, through

Front

dis-

Back

apart, away

Front

epi-

Back

on, upon, befall (happen to)

Front

ex-, exo-

Back

out of, from

Front

in-, im-, ir-, il-

Back

not

Front

in-, im-

Back

into, in, on, upon

Front

inter-

Back

between