To move or do something more slowly, especially to avoid danger or because you are told to.
You should slow down when driving through a school zone.
A: You're driving a bit fast. B: Oh, sorry! I'll slow down.
If I notice someone tailgating me on the highway, I usually slow down to let them pass safely.
Common mistake
✗You should slow down your speed.
✓You should slow down.
'Slow down' already means reduce speed — 'slow down your speed' is redundant.
Tell it apart
Slow down, you're driving too fast.
reduce speed
Slow down, you're working too hard.
take it easier — sense 2
You can use 'slow down' for people, vehicles, or activities when you want them to go at a lower speed.Not the same as 'stop'—it just means to reduce speed.
To do things at a more relaxed pace, or to become less busy or energetic.
After working so much, I realized I needed to slow down and take care of myself.
A: You look exhausted. B: Yeah, I think I need to slow down a bit.
Many people believe that it's important to slow down and enjoy life rather than always rushing from one thing to another.
Common mistake
✗I need to slow down my life.
✓I need to slow down a bit.
In this sense 'slow down' stands alone — no object like 'my life'.
Tell it apart
I'm trying to slow down and enjoy life.
live less frantically
Slow down, you're going too fast.
reduce speed — sense 1
You can use 'slow down' when talking about life, work, or routines—not just movement.Different from 'take a break', which means to stop for a while. 'Slow down' means to keep going, but more gently.