1. Affixes Definition: Types of Affixes:
a ‘part’ that is added to words, either at the beginning or at the end of the word, that changes/affects the meaning of the word
Types of Affixes:
prefix = added to beginning of word
EX: im + possible  impossible = not possible
suffix = added to ending of word
EX: pass + ed  passed = to have already gone past someone/something

2. Prefixes Prefixes that mean “not” dis disinterest un undone in
re = again
rewrite
pre = before
pre-order
trans = across
transatlantic
inter = in between
interstate
mis = not
misinterpret
semi = half
semifinals
con & com = with/together
conjoin, combine
contra = not allowed
contraband
counter = opposite
counterclockwise
anti = against
antifreeze
Prefixes that mean “not”
dis
disinterest un
undone in
incorrect
non
non-negotiable im
impossible il
illogical

3. Special prefixes: ir-, il-, im-
ir  will only go in front of words that begin with “r”
ex: ir + regular  irregular
il  will only go in front of words that begin with “l”
ex: il + legal  illegal
im  will only go in front of words that begin with “b, p, m”
ex: im + possible  impossible
ex: im + b
ex: im + mature  immature

4. Special Prefixes: epi, hyper, over, super under, sub
Prefixes that mean ‘above’ or ‘over’
epi
ex: epidermis
hyper
ex: hyperactive
over
ex: overexposed
super
ex: supercede
Prefixes that mean ‘under’
under
ex: underwater
sub
ex: submarine

5. Numerical Prefixes 1 = _____  ________ or _______  _________