Definition of let up in English:

let up

1 informal (Of something undesirable) become less intense or severe: the rain’s letting up—it’ll be clear soon
More example sentences
  • Instead of letting up, the snow squalls intensified.
  • However, on December 27, the region was blanketed by an intense winter storm that showed no signs of letting up.
  • The rain had let up a little bit.
Synonyms
abate, lessen, decrease, diminish, subside, relent, slacken, die down/off, ease (off), tail off;
ebb, wane, dwindle, fade;
stop, cease, finish
1.1Relax one’s efforts: she was so far ahead that she could afford to let up a bit
More example sentences
  • Our main priority is getting promoted and finishing the season on a high, but that doesn't mean we will be letting up one bit tomorrow.
  • After yesterday's rest day a lot of riders were feeling good but there were times that some of us were wondering if people would ever let up, even a bit.
  • You could see once he made the lead, he let up a little bit.
Synonyms
relax, ease up/off, slow down;
pause, break (off), take a break, rest, stop
informal take a breather, chill (out), chillax
1.2 (let up on) informal Treat or deal with in a more lenient manner: she didn’t let up on Cunningham
More example sentences
  • She lets up on Felicia but starts complaining about her year-old marriage, which is much harder than she thought it would be.
  • We are not going to let up on the government until things are done.
  • This is a constant problem and we will not let up on those who break the law.
Synonyms
treat less severely, be more lenient with, be kinder to
informal go easy on
See parent entry: let

Definition of let up in: