Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
mismated is an adjective meaning "not easy to combine harmoniously". It carries one recorded sense.
not easy to combine harmoniously
Definitions, synonyms and semantic relations for mismated come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.