Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unsociable is an adjective meaning "not inclined to society or companionship". It carries one recorded sense.
not inclined to society or companionship
“an unsociable nature...shy and reserved”
“generally unsociable except with intimate friends”
“unsociable behavior”
“an unsociable neighborhood”
Definitions, synonyms and semantic relations for unsociable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.