cool customer
informalsomeone who stays calm and does not show their emotions, even in a difficult situation
Thesaurus: synonyms and related words
Calm and relaxed
- (as) cool as a cucumber idiom
- at (your) leisure idiom
- be at peace with the world idiom
- carefree
- careless
- comfort
- comfortably
- easy-going
- equilibrium
- free-flowing
- genteel
- happy-go-lucky
- harmonious
- lamb
- peaceful
- quiescent
- relaxed
- rested
- sangfroid
- self-possession
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