Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
irrevokable is an adjective meaning "incapable of being retracted or revoked". It carries one recorded sense.
incapable of being retracted or revoked
“firm and irrevocable is my doom”
Definitions, synonyms and semantic relations for irrevokable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.