Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
irreproachable is an adjective meaning "free of guilt; not subject to blame". It carries one recorded sense.
free of guilt; not subject to blame
“has lived a blameless life”
“of irreproachable character”
“an unimpeachable reputation”
Definitions, synonyms and semantic relations for irreproachable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.