mutism

from WordNet (r) 3.0 (2006)

mutism
    n 1: the condition of being unable or unwilling to speak; "her
         muteness was a consequence of her deafness" [syn: {mutism},
         {muteness}]

from The Collaborative International Dictionary of English v.0.48

Mutism \Mut"ism\, n.
   The condition, state, or habit of being mute, or without
   speech. --Max M["u]ller.
   [1913 Webster]

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