Prefixes of Position, Number, Measurement, Direction, and Other Common Prefixes

Position - place or location Number and Measurement - amount, size, or degree of involvement Direction - Pathway or route

endo-, intra-

in, within

epi-

above, upon

hypo-

under, below; deficient

infra-, sub-

under; below

inter-

between

retro-

backward; behind

bi-

two

dipl-, diplo-

double

hemi-

one half

hyper-

excessive, above normal

macro-

large

micro-

small

mono-, uni-

one

multi-, poly-

many, much

quadri-

four

tri-

three

ab-

from, away from

ad-

forward

circum-, peri-

around

dia-, trans-

through, across

ecto-, exo-, extra-

outside, outward

para-

near, beside, beyond

super-

upper, above

supra-

above; excessive; superior

ultra-

excess, beyond

a-

without, not (before a consonant)

an-

without, not (before a vowel)

anti-, contra-

against

auto-

self, own

brady-

slow

dys-

bad; painful; difficult

eu-

good, normal

hetero-

different

homo-, homeo-

same

tachy-

rapid