Prefixes

a-, an-

no, not

ab-

away from

ad-

toward, near

ana-

up, upward, apart

ante-, antero-

before, forward, front

anti-

against

aut-, auto-

self

bi-

two, both

brady-

slow

cata-

down

circum-

around

con-

with, together

contra-

opposed, against

de-

removal, reversal

dia-

complete, through

dys-

bad, painful, difficult, abnormal

ec-, ecto-

out, outside

endo-

within

epi-

above, upon

eu-

regular, well, good, normal

ex-, exo-

out, outside

extra-

outside of

hemi-

half

hyper-

excessive, more than normal, too much

hypo-

below, less than normal, under

idio-

peculiar, singular

in-

in, into

infra-

below, under

inter-

between

intra-

within

mal-

bad

macro-

large

meso-

in the middle

meta-

change, beyond

micro-

small

mono-

one

multi-

many

neo-

new

nulli-

zero, none

ortho-

straight

para-

beside, near, along the side of

peri-

surrounding

poly-

many, much

post-

after, behind

pre-

before

pro-

before, forward

pros-

before, forward

quadri-

four

re-

back

retro-

behind

semi-

half

sub-

below, under

super-

above, more than normal, excessive

supra-

above

syn-, sym-

with, together

tachy-

fast

trans-

across, through

tri-

three

ultra-

beyond

uni-

one