1
general::
Phrase(s): 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., Phrase(s): 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.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
1. See LET DOWN, def. 2. 2. Cease, stop entirely, as in The rain has let up so we can go out. [Late 1700s] 3. let up on. Be or become more lenient with, take the pressure off, as in Why don't you let up on the child? [Late 1800s]
American Heritage Idioms