Meaning: to make a place look neat and tidy
- tidy up Don't forget to tidy up when you've finished.
- tidy sth up Tidy your room up Joel, or you won't be getting any pocket money!
- tidy up sth Why does my wife insist on tidying up the house just before the housekeeper comes?
Just before her dinner party guests arrived, Marylin spent a few minutes tidying up