Added 10 October 2026 fifty-fifty adjective Categories: Describing WordsObscure Words adjective ! Definition from WordNet 3.1, Princeton University. More about fifty-fifty at Wordnik → Where our words come from → Equal in degree or extent or amount; or equally matched or balanced. even amounts of butter and sugar Related Words: evenequalwin-winfifty-fifthhalfhalfefiftyfoldfiftiethly2foldcentesimallyquintuply Back to today's word