GRE Prefixes

a- / an-

without, not

ab-

away (from)

ad-

to, towards

ante-

before (in chronology)

anti-

against

com-

with

contra-/counter-

against, opposed to

de-

down, away (from)

ex-

out (of), upward

extra-

beyond, outside

hyper-

extra, more than normal

hypo-

under, less than normal

in-/im-

without, not

infra-

below

inter-

among, between

intra-

inside, within

non-

lack of, negation of, absence of

ob-

against, blocking, hidling

post-

after, following

pro-

in support of, towards, forward

re-

again, back

sub-

lower, beneath, below

trans-

across, into a different condition

ultra-

beyond, an extreme version of

anthro-

man

psyche

mind, soul

philo-

love

cide

kill

bene

well, favorable

ego

I, self

locus

place

mortis

death

phag

eat

scribo

write

subter

under, secret

un-

not