Common Prefixes and Their Meanings

Front

com-

Back

with or together

Front

dis-

Back

not or reverse

Front

en-

Back

make or give

Front

im-

Back

not or opposite

Front

trans-

Back

across

Front

un-

Back

not or opposite

Front

ex-

Back

very

Front

im-

Back

in

Front

in-

Back

not

Front

sub-

Back

under or below