keep one's chin up

keep (one's) chin up

To improve one's mood, especially when sad or discouraged. Come on, the project was not a total failure—keep your chin up! Keep your chin up, honey—tomorrow's another day.
See also: chin, keep, up

keep one's chin up

Be stalwart and courageous in a difficult situation, as in Don't let the loan officer intimidate you; keep your chin up, or Despite all the difficulty, he kept his chin up. This expression alludes to a posture of firm resolution. [First half of 1900s]
See also: chin, keep, up