(euphemistic slang) To defecate.

(rare, slang, derogatory) Extremely stupid.

(nautical) The hull of a barge, in tow of a tug, used for the carriage of cargo

(dated) Unable to speak; lacking power of speech (kept in "deaf, dumb, and blind"). / (dated) Silent; unaccompanied by words. / (informal, derogatory, especially of a person) Extremely stupid.

(dated) To silence. / (transitive) To make stupid. / (transitive) To represent as stupid. / (transitive) To reduce the intellectual demands of.

(philately) Synonym of mute cancel

(archaic, vulgar, slang) The bosom of a woman, especially a fat or large-breasted woman.

(derogatory) A common stereotype of a blonde as a woman with low intelligence. / (by extension, rare) A man of similar type.

(computing) A computer terminal consisting of a monitor (usually in monochrome) and keyboard, but (unlike a personal computer) having almost no processing capability, used to provide input to and receive output from a remote server, minicomputer, or mainframe.

Alternative form of dumbfound