v. 1. To become dry. The reservoir dried up during the four-month drought. 2. To disappear or vanish as if by evaporating. The Senator's influence dried up when he was voted out of office. 3. slang To stop talking. Often used as a command. "Dry up!" Tony said angrily when his friend told him for the third time that he had made a mistake in his theme.
Synonym: SHUT UP 1 .