Question

in_the_loop_401 to stay calm under stress; not to become angry Synonym: hold/lose (one’s) temperAntonym: lose (one’s) cool; hot under the collar; see red

Accepted Answer

KEEP (ONE’S) COOL I know you’re angry, but you’ve got to try to control yourself. Keep your cool and don’t lose your temper.It’s particularly important to keep your cool in a traffic jam. It’s so easy to get angry and have an accident.

Id	in_the_loop_401
Idiom	KEEP (ONE’S) COOL
Definition	to stay calm under stress; not to become angry
Examples	I know you’re angry, but you’ve got to try to control yourself. Keep your cool and don’t lose your temper. It’s particularly important to keep your cool in a traffic jam. It’s so easy to get angry and have an accident.
Cross-Refs	Synonym: hold/lose (one’s) temper Antonym: lose (one’s) cool; hot under the collar; see red

Cool One’s Angry Lose It’s Loop Stay Calm