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