slow (sb/sth) down/up
— phrasal verb with slow uk /sləʊ/ us /sloʊ/ verb [ I or T ]
- You drive too fast - just slow down a bit!
- You'd better slow down, that car was flashing its lights at you.
- You should slow down as you approach the junction.
- Could you slow down a bit - I can't keep pace with you.
- Drugs can slow down the progression of the disease.