Commonly confused

Shut up vs Shut down

Shut up” and “Shut down” look alike but pull in different directions. Here is what each one means, with examples — and the difference that learners most often miss.

The key difference

Shut up means close completely. Shut down means stop operating completely.

shut up

  1. 1

    Close completely; stop talking

    Shut up. I'm trying to think.

Full meaning of shut up

shut down

  1. 1

    Stop operating completely

    They shut down the factory last year.

Full meaning of shut down

Stop mixing them up

Sink In turns confusable pairs like this into quick contrast drills, so the right particle becomes automatic.