Dumb (?), a. [AS. dumb; akin to D. dom stupid, dumb, Sw. dumb, Goth. dumbs; cf. Gr. � blind. See Deaf, and cf. Dummy.] 1. Destitute of the power of speech; unable; to utter articulate sounds; as, the dumb brutes.
To unloose the very tongues even of dumb creatures. Hooker.
2. Not willing to speak; mute; silent; not speaking; not accompanied by words; as, dumb show.
This spirit, dumb to us, will speak to him. Shak.
To pierce into the dumb past. J. C. Shairp.
3. Lacking brightness or clearness, as a color.
Her stern was painted of a dumb white or dun color. De Foe.
Deaf and dumb. See Deaf-mute. — Dumb ague, orDumb chill, a form of intermittent fever which has no well-defined “chill.” — Dumb animal, any animal except man; — usually restricted to a domestic quadruped; — so called in contradistinction to man, who is a “speaking animal.” — Dumb cake, a cake made in silence by girls on St. Mark's eve, with certain mystic ceremonies, to discover their future husbands. Halliwell. — Dumb cane(Bot.), a west Indian plant of the Arum family (Dieffenbachia seguina), which, when chewed, causes the tongue to swell, and destroys temporarily the power of speech. — Dumb crambo. See under crambo. — Dumb show. (a) Formerly, a part of a dramatic representation, shown in pantomime. “Inexplicable dumb shows and noise.” Shak. (b) Signs and gestures without words; as, to tell a story in dumb show. — To strike dumb, to confound; to astonish; to render silent by astonishment; or, it may be, to deprive of the power of speech.
Syn. — Silent; speechless; noiseless. See Mute.