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