Definition of 'cool off'
- become quiet or calm, especially after a state of agitation; "After the fight both men need to cool off."; "It took a while after the baby was born for things to settle down again."
Synonyms: calm calm down chill out simmer down settle down cool it
- lose intensity; "His enthusiasm cooled considerably"
Synonyms: cool cool down
- feel less enamoured of something or somebody