let up

let up 

1. to diminish. I hope this rain lets up a little soon. When the snow lets up so I can see, I will drive to the store.

2. to stop [doing something] altogether. The rain let up about noon, and the sun came out.

See also: let, up

let up (on someone or something)

Fig. to reduce the pressure or demands on someone or something. You had better let up on Tom. He can't handle any more work. Please let up on the committee. It can only do so much. Do let up. You are getting too upset.

See also: let, up

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let up

to stop The action and special effects never let up long enough for you to realize how stupid the movie actually is.

Usage notes: often used in the form not let up: The heat didn't let up until the weekend.

See also: let, up