Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sorrowfully is an adverb meaning "in a sorrowful manner". It carries 2 recorded senses.
in a sorrowful manner
with sadness; in a sorrowful manner
“his mother looked at him dolefully when he told her he had joined the Army”
Definitions, synonyms and semantic relations for sorrowfully come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.