Prefixes

Prefixes

Prefix	Origin	Meaning
a ab abs	Latin	from, away from, of, off, away

a ad an	Latin	to, toward, at, about

a an	Greek	not, without, lacking

co com con	Latin	with, together, in association, completely, thorough, thoroughly

counter	Latin	against, opposite, opposing

de	Latin	from, down, privation, removal, separation, not, reversal, intensity

des di dif dis	Latin, Greek	apart, differently, asunder, away, utterly, privation, removal, separation, negation (not), descent (down), reversal, intensity

em en il im in ir	Latin, Greek, Middle English	in, into, on

em en il im in ir un	Latin, Middle English	not, against

epi	Greek	upon, on, over, near, at, before, after

e ex	Latin, Greek	out, out of, from, beyond, utterly, thoroughly, negative force

extra	Latin	outside, beyond, external

inter	Latin	between, among, in the midst of, mutually, reciprocally, together, during

intro	Latin	inwardly, within, inside, interior

mal male	Latin	bad, wrongful, ill, badly, evil

mis	Middle English	ill, mistaken, wrong, negating

non	Latin	not (negation/absence)

o ob oc of op		toward, to, on, over, inversely, in the way, against

pan pant panto	Greek	all

per	Latin	through, thoroughly, utterly, very

peri	Greek	about, around, beyond

pre	Latin	before, prior to, in advance of, early, beforehand, in front of

pro	Latin, Greek	before, forward, forth, favor without identity, substitution, advancing/projecting forward or outward
re red	Latin	backward, again, back

retro	Latin	backward

se	Latin	apart

semi semi-	Latin	half

su sub suc suf sug sum sup sus	Latin	under, below, slightly

sy syl sym syn sys		with, together

trans	Latin	across, beyond, through, on the far side of

ultra	Latin	exceedingly, beyond, on the other side