(Britain, derogatory) Alternative form of dumb as a bag of hammers

(informal) Very stupid or foolish. / (informal) Sly and cunning, while deliberately giving the misleading impression of being stupid or foolish.

present participle of dumb down

Third-person singular simple present indicative form of dumb down

present participle of dumb out

Third-person singular simple present indicative form of dumb out

Synonym of artificial stupidity

(informal, vulgar) Of an adolescent boy: young and foolish.

(Ireland) Those who fail to speak up fail to get what they want.

A small elevator used to move food etc. from one floor of a building to another. / (obsolete) A table or set of trays on rollers used for serving food. / (obsolete) A lazy Susan.