deaf-and-dumb

from WordNet (r) 3.0 (2006)

deaf-and-dumb
    adj 1: lacking the sense of hearing and the ability to speak
           [syn: {deaf-and-dumb}, {deaf-mute}]

from The Collaborative International Dictionary of English v.0.48

deaf and dumb \deaf and dumb\, deaf-and-dumb \deaf-and-dumb\adj.
   both deaf and unable to speak; without the sense of hearing
   or the faculty of speech. Same as {Deaf-mute}.
   [1913 Webster +PJC]