Preffix

a-, an-

no, not, without

ab-

away

ad-

toward

ante-

before, forward

anti-

against

aut-, auto-

self, own

bi-

two

brady-

slow

col-

colon

con-

together, with

contra-

against, lateral

de-

down, lack of

dia-

complete

dys-

abnormal, bad, painful, difficult

ec-

out, outside

endo-

within

epi-

above, upon

eu-

good, normal

ex-, exo-

out, outside of, outward half

hemi-

half

hydr-

water, fluid

hyper-

excessive, above, more than normal

hypo-

deficient, below, under, less than normal

in-

into, in, not

infra-

beneath, under

inter-

between

intra-

within, in, into

isch-

to hold back

macro-

large

mal-

bad

meta-

change, beyond

micro-

small

neo-

new

pan-

all

para-

abnormal, beside, near through

per-

through

peri-

surrounding, around

plas-

formation, development

poly-

many, much

post-

after, behind

pre-

before, in front of before, forward

pro-, pros-

before, forward

re-

back, backward, again

retro-

behind, backwards

sub-

below, under

supra-

above, upper

syn-, sym-

together, with fast

tachy-

fast

trans-

across, though

ultra-

beyond, excess

uni-

one

ab-

away from

ad-

towards

dorsi-

back