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