Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
dirtily is an adverb meaning "in a sordid manner". It carries 2 recorded senses.
in a sordid manner
“as dirtily drunk as usual”
Definitions, synonyms and semantic relations for dirtily come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.