Light and dark are antonyms.
An example of antonyms are light and dark.
Origin of antonymwith altered sense (as if ; from anti-) ; from Classical Greek ant?nymia, a pronoun ; from anti-, equal to, instead of, opposite (see anti-) + onyma, name
Origin of antonymant(i)– + –onym.
- (semantics) A word which has the opposite meaning of another, although not necessarily in all its senses.
- "rich" is an antonym of "poor"; "full" is an antonym of "empty".
circa 1870: ant- + -onym