Definition of lose one's temper
- I lost my temper (with him) and yelled at him.
: to bring to destruction
: to miss from one's possession or from a customary or supposed place
: heat of mind or emotion : proneness to anger : passion
: calmness of mind : composure
: state of feeling or frame of mind at a particular time usually dominated by a single strong emotion
: to dilute, qualify, or soften by the addition or influence of something else : moderate
: to anneal or toughen (glass) by a process of gradually heating and cooling
: to harden (a material, such as steel) by reheating and cooling in oil
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