Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
impiously is an adverb meaning "in an impious manner". It carries one recorded sense.
in an impious manner
“the young members challenged their leader impiously”
Definitions, synonyms and semantic relations for impiously come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.