ob

Prefix Definition: in front, against, in the way of

obsolete

Adjective No longer in use, out of date

obscure

Adjective Definition: not clearly seen, vague

con

Prefix Definition: with, together

Convivial

Adjective Friendly, social, enjoy partying

re

Prefix Definition: again, back

resolve

Verb Definition: to find a solution, to settle an

argument Other forms: resolution

rebuttal

Noun Definition: an attempt to disprove or

contradict an argument

DIS, DIF, DI

PrefixDefinition: apart

discern

Verb Definition: to come to know or recognize

digress

Verb Definition: to speak or write about

something that is not on the topic

differentiate

Verb Definition: to mark or show a difference

anti

Prefix Definition: against

antifreeze

Noun Definition: a substance added to a liquid

to prevent it from freezing

Antonym

Noun Definition: a word that means the

opposite of another word

inter

Prefix Definition: between,

among

interstellar

Adjective Definition: occurring between stars

international

Adjective Definition: occurring between nations

bi

Prefix Definition: two

bilingual

Adjective Definition: able to speak two language

bifocal

Adjective or Noun Definition: eye glasses divided into two

parts