Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
dully is an adverb meaning "without liveliness". It carries 2 recorded senses.
without liveliness
“she nodded her head dully”
without luster or shine
“the light shone dully through the haze”
“unpolished buttons glinted dully”
Definitions, synonyms and semantic relations for dully come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.