SAT Prep PREFIXES/SUFFIXES

A-/An-

"without" or "not"

Ad-

"toward" or "to"

Ante-

"before"

Anti-

“against" or "opposite of"

Co-/Con-

"with" or "together"

Contra-/Counter-

"against"

De-

"down," "off," or "reversed"

Dis-

"not" or "apart"

Ex-

"out of" or "from"

Hyper-

"over" or "excess"

In-/Im-/Il-/Ir-

"not" or "in"

Inter-

"between" or "among"

Mal-

"bad" or "wrongful"

Non-

"not"

Pre-

"before"

Re-

"again" or "back"

Sub-

"under"

Super-

"above" or "beyond"

Trans-

"across" or "through"

Un-

"not"

-ment

an action or result

-ness

a state or quality

-ion

an action or process

-er/-or

a person who does something (e.g., teacher, actor)

-ity

a quality or state

-ism

a belief or practice

-ist

a person who practices or believes in something

-dom

a state or condition

-ee

a person who receives something or is in a certain state (e.g., employee, nominee)

-hood

a state or period of time

-en

to cause to be (e.g., weaken, frighten)

-ify/-ize

to make or become (e.g., modernize, organize)

-ate

to make or do

-ful/-ous/-ose

full of (e.g., joyous, verbose)

-less

without

-able/-ible

capable of being

-ic/-al

relating to (e.g., historic, natural)

-ish

somewhat or like

-ive

tending to or having the nature of

-y

characterized by (e.g., happy, windy)

-ant/-ent

a person or thing that does something

-ary

relating to

-ly

manner or way

-ward

direction

-wise

in the manner of (e.g., clockwise, otherwise