Prefixes

a-, an-

without, lack of, absent

ab-

from, away

ad-

near, toward

ante-

before, foward

anti-

against

auto-, aut-

self

bi-/di-

two, twice

brady-

slow

contra-

against, opposite

de-

lack of, down, away from

di-

two

dia-

through, between, complete

dys-

painful, difficult

ecto-

outside

endo-

within, inner

en-

in, inside

epi-

upper, above

eu-

good, normal

ex-, extra-

out, away from

hemi-/semi

half

hyper

above average

hypo-

below average

inter-

between

intra-

within, into

macro-/mega-

large

mal-

bad, poor

meta-

change, beyond

micro-

small

multi-/poly-

many

neo-

new

pan-

all

para-

alongside, abnormal, besides,peri- two like parts of a pair

peri-

surrounding

post-

behind, after

pre-

before, infront of

pseudo-

false

retro-

backward

sub-

under, below

supra-

upper, above

tachy-

rapid

trans-

across, through

ultra-

beyond, excess

uni-

one