Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
flippantly is an adverb meaning "in a flippant manner". It carries one recorded sense.
in a flippant manner
“he answered the reporters' questions flippantly”
“this cannot be airily explained to your children”
Definitions, synonyms and semantic relations for flippantly come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.