Is “Antonym” a Scrabble word?
Yes
ANTONYM
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Antonym
/ˈæntəˌnɪm/
noun
1.A word which has the opposite meaning of another word.
““rich” is an antonym of “poor”; “full” is an antonym of “empty””
Synonyms: opposite