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