Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unwholesome is an adjective meaning "detrimental to physical or moral well-being". It carries one recorded sense.
detrimental to physical or moral well-being
“unwholesome food”
“unwholesome habits like smoking”
Definitions, synonyms and semantic relations for unwholesome come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.