contrastive vs antonymous

contrastive and antonymous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
contrastive	No	Yes	No	No
antonymous	No	Yes	No	No

contrastive (adjective)	antonymous (adjective)
of words so related that one contrasts with the other	of words: having opposite meanings
strikingly different; tending to contrast
syntactically establishing a relation of contrast between sentences or elements of a sentence