B2idiominformalemotionsIELTS-friendly
let your hair down
USUK
to relax and enjoy yourself without worrying about how you behave
About having fun, unlike 'let off steam', which is about releasing anger or energy. 'Hair' is uncountable: no -s.
In context
After exams, the whole class let their hair down at a karaoke bar.
Our boss is serious at work, but she lets her hair down at the year-end party.
More idioms about emotions
- a bitter pill to swallowan unpleasant fact or situation that is hard to accept
- a bundle of nervesvery nervous and worried
- a chip on your shouldera lasting anger because you feel you were treated unfairly in the past
- a knot in your stomacha tight, sick feeling in your body caused by worry or fear
- a lump in your throata tight feeling in your throat because you are so moved that you might cry