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