Define coolest. coolest synonyms, coolest pronunciation, coolest translation, English dictionary definition of coolest. adj.

Understanding the Context

cool er , cool est 1. Neither warm nor very cold; moderately cold: fresh, cool water; a cool autumn evening. 2. Giving or suggesting relief from heat:...

Key Insights

The 15 coolest sneakers for spring & summer 2026 - from Alohas to Adidas, from retro suede to colorful statement pairs. Plus: shop 50+ more in our full guide. Some common synonyms of cool are collected, composed, imperturbable, nonchalant, and unruffled. While all these words mean "free from agitation or excitement," cool may imply calmness, deliberateness, or dispassionateness. Where would collected be a reasonable alternative to cool?

Final Thoughts