Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
perverseness is a noun meaning "deliberate and stubborn unruliness and resistance to guidance or discipline". It carries 2 recorded senses.
deliberate and stubborn unruliness and resistance to guidance or discipline
deliberately deviating from what is good
“there will always be a few people who, through macho perversity, gain satisfaction from bullying and terrorism”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for perverseness come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.