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