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