Retain one's composure and poise. The antonyms blow one's cool and lose one's cool mean to become flustered.
Examples:
- Billy keeps his cool, no matter what the situation.
Origin: Mid-1900s
Synonyms: keep cool
Retain one's composure and poise. The antonyms blow one's cool and lose one's cool mean to become flustered.
Examples:
Origin: Mid-1900s
Synonyms: keep cool