Being deaf and not knowing how to speak. Usually physically able to speak.(adjective)
Bum (behind, bottom).(noun)
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Use "deaf and dumb" in a sentence
"But Miss Ella, she talked of it free enough — said Miss Caroline just sat there like an image and might have been deaf and dumb whilst you was telling how you was pushed over, but when it came to you being asked whether you had a sight of the one that pushed you and you said, ‘No,’ well, right there and then Miss Caroline fainted.”"
"With the hand they converse in deaf and dumb language, which, added to their own signs, makes a"
"He felt the ridicule which was attached to the mute character of the Legislative Body, which he called his deaf and dumb assembly."