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