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