Definition
(to be) as cool as a cucumber: (to be) calm, collected, serene, tranquil, composed
- "He's as cool as a cucumber."
Still unsure of the best way to use 'As cool as a cucumber'? Improve your English thanks to our online English lessons. We offer a free test as well as a free level assessment!
What our users say:
Test your English with Gymglish today and get a free level assessment
Absolutely free - no strings attached.