ASVAB WORD KNOWLEDGE - PREFIXES

A-

no, not

ex: athiest

ab- or abs-

Away, from

Ex: absent

Anti-

against

ex: antibody

bi-

two

ex:bicycle

circum-

around

ex: circumference 

com- or con-

with, together

ex: conform

contra- or counter-

against

ex: contradict

de-

away from

ex: DETOUR

deca-

ten

ex: decade

extra-

outside, beyond

ex: extracurricular, extra ordinary

fore-

in front of

ex: foretell

geo-

earth

ex: geology

hyper-

above, over

ex: hyperactive

il-

not

ex: illogical

mal- or male-

evil, bad

ex: malintent

multi-

many

ex: multimillionaire

ob-

blocking

ex: obstruction

omni-

all

ex: omnibus(big bus)

out-

external

ex: outside

que-, quer- or ques-

ask

ex: question, or query

re-

back, again

ex: return

semi-

half

ex: semisweet

super-

over, more

ex: superior

tele-

far

ex: telephone

trans-

across

ex: transfer

un-

not

ex: uninformed