Prefixes

uni

one

mono

one

bi

two

di

two

tri

three

quad

four

hemi

half

semi

half

multi

many

poly

many

a-, an-

without, not

anti-, contra-

against

de-

away from, cessation, without

de-

away from, cessation, without

dis-

seperate

im-, in-, non-

not

ab-

away from

ad-

to, toward

ect-, ecto-

outer, outside

en-, end-, endo-

in, within

ex-, exo-

out of, away from

infra-

below, beneath

inter-

between

intra-

within

per-

through

peri-

around, surrounding

post-

ater, behind

pre-

before

sub-

below, beneath

super, supra

above

sym-, syn-

together, with

trans

across, through

dys

painful, difficult, abnormal

eu

good, normal

hetero

other, different

homo-, homeo-

same, alike

hyper-

above normal, excessive

hypo-

below normal, deficient

iso-

equal, alike

macro-

large, long

mega-, megalo-

large, oversize

micro-

small

normo-

normal, usual

pan-

all, entire

ultra-

excess, beyond

brady-

slow

neo-

new

psuedo-

false

re-

again, backward

tachy-

rapid, fast