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Definition of: dumb
(dum) adjective
1. Unable to make articulate sounds; having no power of speech: deaf and dumb.
2. Refraining from speaking; not using words or sounds; mute; silent.
3. Not having usual characteristics, symptoms, accompaniments, or powers; latent: dumb ague or chill.
4. U.S. Colloq. Stupid.
5. Naut. Having no sails: a dumb barge. See synonyms under TACITURN. [OE; in def. 4, infl. by cognate G dumm stupid]
—dumb′ly adverb
—dumb′ness noun
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