Possessed of discernment, especially in avoiding error or evil, and in the adaptation of means to ends; prudent; sagacious; judicious; not rash or heedless; cautious. "It is the discreet man, not the witty, nor the learned, nor the brave, who guides the conversation, and gives measures to society." "Satire 's my weapon, but I 'm too discreet To run amuck, and tilt at all I meet." "The sea is silent, the sea is discreet."