Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unpronounceable is an adjective meaning "impossible or difficult to pronounce correctly". It carries 2 recorded senses.
impossible or difficult to pronounce correctly
very difficult to pronounce correctly
“an unpronounceable foreign word”
“unutterable consonant clusters”
Definitions, synonyms and semantic relations for unpronounceable come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.