Affixes

Prefix

Meaning

Example

anti-

against

antibiotic

auto-

self

automatic

de-

opposite

debunk

dis-

opposite or against

disagree

en(m)-

cause to

embrace

extra-

beyond

extraordinary 

fore-

before

forecast

inter-

between

interact

in-/im-/il-

not

injustice

mega-

very big, important

megadose

mid-

middle

midway

mis-

wrongly

misinterpret 

non-

not

nonsense

over-

too much

overcharge

pre-

before

precautionary

re-

again

readjust

semi-

half

semicircle

super-

above, beyond

superlative

sub-

under

subway

trans-

across

transport

un-

remove, reverse, not

unhappy

Suffix

Meaning

Example

-able/-ible

can be done

approachable

-age

action, state, process

package

-al

act or process of 

refusal

-ant

inclined or tending to

brilliant

-ate

become

complicate

-en

made of

wooden

-esque

reminiscent of

picturesque

-ic

having characteristics of

spasmatic

-ify/-ifty

make or become

terrify

-ion/-tion/-ation/-ition

act, process

experimentation

-ish

having the quality of

childish

-ism

doctrine, belief

feminism

-ity/ty

state of 

reality

-less

without

endless

-ment

action or process of

enjoyment

-ness

state or condition of

happiness

-ous/-eous/-ious

possessing the qualities of

courageous

-ship

position held

leadership

-ure

action or resulting state

pressure

-ward

direction

backward