UND PT Prefixes

a

no, not, without, lack of

ab

away from

ad

toward, near

ambi

both

an

no, not, without, lack of

ana

up

ant

against

ante

before

anti

against

apo

separation

auto

self

bi

two, double

brachy

short

brady

slow

cac

bad

cata

down

centi

a hundred

circum

around

con

with, together

contra

against

de

down, away from

deca

ten

di(a), dia

through, between

dif

apart, free from, separate

dipl

double

di(s)

two, apart

dys

bad, difficult, painful

ec

out, outside, outer

ecto

out, outside, outer

em

in

en

within

end

within, inner

endo

within, inner

ep

upon, over, above

epi

upon, over, above

eu

good, normal

ex

out, away from

exo

out, away from

extra

outside, beyond

hemi

half

hetero

different

homeo

similar, same, likeness

hydr

water

hydro

water

hyp

below, deficient

hyper

above, beyond, excessive

hypo

below, under, deficient

in

in, into, not

infer

below

infra

below

inter

between

intra

within

macro

large

mal

bad

mega

large, great

meso

middle

meta

beyond

micro

small

milli

one thousandth

mono

one

multi

many, much

neo

new

nulli

none

olgi

little, scanty

oligo

little, scanty

pan

all

par

around, beside

para

beside, alongside, abnormal

per

through

peri

around

poly

many, much, excessive

post

after, behind

pre

before

primi

first

pro

before

proto

first

pseudo

false

quadri

four

quint

five

retro

backward

semi

half

sub

below, under, beneath

super

above, beyond

supra

above, beyond

sym

together

syn

together, with

tachy

fast

tetra

four

trans

across

tri

three

ultra

beyond

uni

one