lessen up

lessen up

To lessen in intensity, degree, or amount. The crowds finally began to lessen up as the sun started to set. I hope this rain lessens up soon, or we'll have to cancel the barbecue.
See also: up
Farlex Dictionary of Idioms.

lessen up

v.
To diminish; abate: The wind lessened up, and the surf died down.
See also: up
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • on the wane
  • raise/lower the temperature
  • lower the temperature
  • temperature
  • pale into insignificance
  • gender gap
  • ride with the punches
  • sell down
  • fall away
  • roll with the punches