hold one's temper

Also, keep one's temper. Refrain from expressing violent anger, maintain composure or poise. For example, Billy has to learn to hold his temper when he's frustrated, or If the chairman can keep his temper, the matter will get settled. [c. 1700] For an antonym, see lose one's temper.

Words nearby hold one's temper

hold one's fire, hold one's head high, hold one's horses, hold one's own, hold one's peace, hold one's temper, hold one's tongue, hold out, hold out on, hold over, hold someone's feet to the fire