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
Farlex Dictionary of Idioms.

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
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • keep chin up
  • keep your chin up
  • keep (one's) chin up
  • chin up
  • keep (something) by
  • keep by
  • take (something) on the chin
  • take it on the chin
  • take on the chin
  • take something on the chin