PREFIXES THAT INDICATE LOCATION, DIRECTION, OR TIMING

ab-

away from

ad-

toward

anti-

against

brady-

slow

con-

together, with

contra-

against, opposite

circum-

around

dia-

trans- through, across

ec-, ecto-

out, outside

en-, end-, endo-, in-, intra-

in, within, inner

epi-

above, upon

eso-

inward

ex-, exo-, extra-

away from, outside, external

hyper-, super-, supra-

excessive, above

hypo-, infra-, sub-

below, beneath

inter-

between

para-, peri-

beside, near

post-

after, following

pre-

before

pro-

before, forward

re-, retro-

behind, back

tachy-

rapid

ultra-

beyond