Synonym: dense, dull, mute, silent, speechless, stupid. Similar words: dumbfound, dump, thumb, number, succumb, stumble, a number of, cumbersome. Meaning: [dʌm] 
adj. 1. slow to learn or understand; lacking intellectual acuity 2. unable to speak temporarily 3. lacking the power of human speech 4. unable to speak because of hereditary deafness.
adj. 1. slow to learn or understand; lacking intellectual acuity 2. unable to speak temporarily 3. lacking the power of human speech 4. unable to speak because of hereditary deafness. 
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151. And they're all talking at the same time and saying dumb things.
152. He held his empty palms before him as he walked, pale fingers thrust wide apart in a dumb show of harmlessness.
153. Dy-ing, ' she repeated, drawing out each syllable, but the boy remained dumb, uncomprehending.
154. Users continue to invoke the legacy IT systems using the original application means, typically through a user interface (such as a mainframe dumb terminal or a packaged application's UI).
155. You do know that most dictator and terrorist organizations are raised by the U. S. funding in the beginning, right? lol. Dumb red-neck.
156. The network computer takes us back to the future in the form of the dumb terminal revisited.
157. Tiny knows bikes not computers, so the management of Biker Bob's Bike Shop and Bar would like to put a "Dumb terminal" on the loading dock for Tiny to use.
158. With Mr Heathcliff, grim and saturnine, on the one hand, and Hareton, absolutely dumb, on the other, I made a somewhat cheerless meal, and bid adieu early.
159. But am I going to flip out just because some dumb reporter asks a bunch of pointless and infuriating questions?
More similar words: dumbfound, dump, thumb, number, succumb, stumble, a number of, cumbersome, any number of, to the number of, account number, a large number of.