Prefix pre-
Prefix dis-
Prefix re-
Prefix anti-
Prefix non-
100

The prefix pre- means

typically means "before"

it can be attached to a noun, verb or adjective

100

The prefix dis- means

typically means "not" or "opposite of"

can be attached to nouns, verbs or adjectives

100

The prefix re- means

typically means "again"

can be attached to nouns, verbs or adjectives

100

Prefix anti- means

typically means "opposed" or "against"

can be attached to nouns, verbs, or adjectives

100

Prefix non- means

typically means "not" or "absence of"

200

meaning of preset

to set or adjust something before you use it

200

meaning of dislike

to not like something

200

meaning of repay

to pay again or more than once

200

meaning of antihero

against the hero, villain

200

meaning of nonfat

without fat, absence of fat

300

meaning of preorder

to order something before 

in this case, to order something before it is available

300

meaning of distrust

to not trust someone

300

meaning of reuse

to use again or more than once

300

meaning of antiviral

against viruses, to work against viruses

300

meaning of nonstop

to not stop, absence of stopping

400

definition: to teach some skills before a lesson

preshow or preteach

preteach

400

definition: to have a different opinion

dislike or disagree

disagree

400

definition: to complete something again

retreat or redo

redo

400

definition: prevents freezing

antifreeze or anti-itch

antifreeze

400

definition: not relating to poison 

nonactive or nontoxic

nontoxic

500

meaning of preschool

occurs before one attends school

can refer to place or time

500

meaning of disband

to not be together or to break apart

500

meaning of reheat

to heat up again

500

meaning of antisocial

opposed to being social

500

meaning of nonsense

absence of sense, having no sense