1. plural of coolness; the quality or state of being cool in temperature
2. plural of coolness; the quality of being calm, composed, or unruffled
3. plural of coolness; the quality of being fashionable, impressive, or socially desirable
Usage: informal

Examples

• The coolnesses of the evening air made the hike more pleasant.
• She maintained her coolnesses during the stressful presentation.
• The band's various coolnesses attracted fans from different subcultures.
• Different coolnesses of the swimming pools suited swimmers of all preferences.
• His natural coolnesses under pressure impressed his colleagues.