cool

cool verb [ I,T ] uk/kuːl/ us cool verb [I, T]
(LESS STRONG)

If emotions or relationships cool , or if something cool s them, they become less strong.

остывать, охлаждаться

Фразовые глаголы cool (sb/sth) down/off

COOL noun

uk/kuːl/ us  the cool
a cool temperature

прохлада, свежесть
the cool of the early morning Идиомыkeep your cool lose your cool
cool exclamation
 informal uk/kuːl/ us
A2 used when you like something or agree to something

классно!