Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
untenanted is an adjective meaning "not leased to or occupied by a tenant". It carries one recorded sense.
not leased to or occupied by a tenant
“an unoccupied apartment”
“very little unclaimed and untenanted land”
Definitions, synonyms and semantic relations for untenanted come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.