keep (one's) temper

keep (one's) temper

To refrain from becoming angered, enraged, or upset due to some provocation; to maintain control of one's composure despite being angry or upset. You're a good driver, but you need to do a better job of keeping your temper when other drivers make mistakes. It's hard to keep my temper with the kids after being kept awake by them all night long.
See also: keep, temper
Farlex Dictionary of Idioms.

keep one's temper

 and hold one's temper
to hold back an expression of anger. (The opposite of lose one's temper.) She should have learned to keep her temper when she was a child. Sally got thrown off the team because she couldn't hold her temper.
See also: keep, temper
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

keep/lose your ˈtemper (with somebody)

manage/fail to control your anger: You must learn to keep your temper. He loses his temper very quickly if you argue with him.
See also: keep, lose, temper
Farlex Partner Idioms Dictionary
See also:
  • hold (one's) temper
  • hold one's temper
  • keep temper
  • keep/lose your temper
  • get (one's) bowels in an uproar
  • get bowels in an uproar
  • get one’s bowels in an uproar
  • a short fuse
  • I don't want to upset you, but
  • tell a (little) white lie