Common prefixes

a

without, lack of

ab-

away from

ad-

to, toward

an-

without, lack of

ana-

up, back, again

ante-

before, forward

anti-

against, opposed to

auto-

self

bi-

two

brady-

slow

circum-

around, about

contra-

against, opposite

de-

down from, away

di-

twice, double

dia-

through, completely

dys-

difficult, painful, abnormal

ect(o)-

out, outside

end(o)

within

epi-

upon, over, above

eu-

easy, good, normal

ex(o)-

outside, away from

extra-

outside, in addition

hemi-

half

hyper-

over, excessive, high

hypo-

under, below normal

in-

in, into, not, without

infra-

below, under

inter-

between

intra-

inside, within

ipsi-

same

iso-

equal

macro-

large

Mal-

bad or abnormal

mega

large

meta-

after, change

micro-

small

mono-

one, single

multi-

many

neo-

new

noct-

night

nulli-

none

olig(o)-

little, deficient

ortho-

straight or normal

pan-

all, entire

para-

near, beside, beyond, apart from

per-

through

peri-

around

poly-

many

post-

after, behind

pre-

before

primi-

first

pro-

before, in front of

quadr(i)-

four

re-

back

retro-

backward, behind

semi-

half, partial

sub-

under, below

super-

above, excessive, or more than

supra-

above, upper

sym-

together, joined

syn-

together, joined

tachy-

rapid, fast

tetra-

four

trans-

across, through, beyond

tri-

three

uni-

one