SAT Prefix Words

A- / An-

Without

Ab-

Away

Ad-

Toward

Anim-

Mind or spirit

Ante-

Before

Anti-

Against or opposite of

Auc-

Increase

Aug-

Increase

Aud-

Hear

Aur-

Hear

Auto-

Self

Ben-

Good

Bon-

Good

Circum-

Around

Co-

Joint or together

Con-

With

Contra-

Against or opposite

De-

Separation or negation

Hyper-

Over or excess

Hypo-

under, less than, too little

Inter-

Between or among

Intra-

Within or inside

Ir-

Not

Mal-

Bad or wrongful

Post-

Behind or after

Pre-

Before

Pro-

Forward movement or advancement

Se-

Apart

Sub-

Below, secondary, or part of

Super-

Above or excess

Syn-

With or together

Trans-

Across or through

Ultra-

Beyond or extreme

Vice-

In place of

Ambi

Both

Amphi

Both or around

In-

Not

Im-

Not

Il-

Not

Dis-

Not

Non-

Not

Omni-

All

Pan-

All or everyone

Magna-

Great or large

Magni-

large

Micro-

Small

Peri-

Around

E-

Out or out of

Ex-

Out or out of

Ana-

Backward or against

Chron-

Related to time

Mis-

Bad or wrong

Sym-

Together or with

Un-

Not

Ec-

Out

En-

In

Ecto-

external

Endo-

Within

Eu-

Good, well

Caco-

Bad

Mega-

Large

Macro-

Large

Tele, tel

Far, distant