coolness

US /ˈkuːl.nəs/
UK /ˈkuːl.nəs/
"coolness" picture
1.

fraîcheur

the quality or state of being cool (low in temperature)

:
The coolness of the evening air was refreshing.
La fraîcheur de l'air du soir était rafraîchissante.
She enjoyed the coolness of the shade on a hot day.
Elle appréciait la fraîcheur de l'ombre par une chaude journée.
2.

coolitude, classe, style

the quality of being fashionable, sophisticated, or impressive

:
His new car has a certain coolness about it.
Sa nouvelle voiture a une certaine classe.
The band's effortless coolness attracted a large following.
La coolitude naturelle du groupe a attiré un large public.
3.

sang-froid, calme, sérénité

calmness and self-control, especially in difficult situations

:
He maintained his coolness under pressure.
Il a gardé son sang-froid sous la pression.
Her coolness in the face of danger was admirable.
Son sang-froid face au danger était admirable.