The chemist demonstrated a cool flame that reached no more than about 400°C and emitted almost no heat, light, or carbon dioxide.

At the festival, the lanterns cast cool flames that danced across the river.

The cool hunters predicted next season's must-have sneakers before anyone else.

The magazine hired a cool hunter to discover the next streetwear craze.

When my boss questioned me in front of everyone, I had to play it cool to avoid looking flustered.

The cool kids formed a band and practiced every Saturday.

Even under intense questioning, she remained ice cool and answered every question with steady confidence.

She prefers listening to cool jazz in the evenings when she wants to relax.

After the argument, she cooled off before responding.

At the photoshoot, he practiced several cool poses to impress the director.