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