Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
fifty-fifty is an adjective meaning "equal in degree or extent or amount; or equally matched or balanced". It carries one recorded sense.
Definitions, synonyms and semantic relations for fifty-fifty come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.