Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
despiteful is an adjective meaning "showing malicious ill will and a desire to hurt; motivated by spite". It carries one recorded sense.
showing malicious ill will and a desire to hurt; motivated by spite
“a despiteful fiend”
“a truly spiteful child”
“a vindictive man will look for occasions for resentment”
Definitions, synonyms and semantic relations for despiteful come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.