Common Prefixes
a

without or absence of

eso

inward

para

beside; beyond; around

ab

from; away from

eu

normal; good

per

through

ad

to; toward

ex

outside; outward

peri

surrounding (outer)

an

without or absence of

exo

outside; outward

poly

many; much

ana

up; again; backward

extra

outside of; beyond

post

after

ante

before

hemi

half

pre

before; in front of

anti

against

hyper

above; excessive

pro

before

apo

upon

hypo

below; incomplete; deficient

re

back

bi

two

in

in; into; not

retro

back; behind

bin

two

infra

under; below

semi

half

brady

slow

inter

between

sub

under; below

cata

down

intra

within

super

over; above

con

together

mal

bad

supra

above

contra

against

meso

middle

sym

together; joined

de

from; down from; lack of

meta

after; beyond; change

syn

together; joined

dia

thorough; complete

micro

small

tachy

fast; rapid

dis

to undo; free from

multi

many

tetra

four

dys

difficult; labored; painful; abnormal

neo

new

trans

through; across; beyond

ecto

outside; outer

nulli

non

tri

three

endo

within

pan

all; total

ultra

beyond; excess

epi

on; upon; over

 
uni

one