Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
voidable is an adjective meaning "capable of being rescinded or voided". It carries one recorded sense.
capable of being rescinded or voided
“the judgment was rescindable”
“voidable contracts”
Definitions, synonyms and semantic relations for voidable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.