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