let up (v.)
- abate
- ablate
- arrest
- backpedal
- bate
- brake
- check
- consume
- corrode
- crumble
- curb
- decelerate
- decline
- decrease
- delay
- deliquesce
- detain
- diffuse
- diminish
- disjoin
- disperse
- dive
- drop
- dwindle
- ease
- ebb
- erode
- fall
- forbear
- forgive
- free
- hesitate
- impede
- languish
- lessen
- loose
- loosen
- melt
- mitigate
- moderate
- obstruct
- pardon
- pause
- plummet
- plunge
- recess
- reef
- relax
- relent
- remit
- reprieve
- rest
- retard
- sag
- scatter
- shrink
- sink
- slack
- slacken
- slake
- slow
- spare
- stay
- subside
- thaw
- unbend
- unbrace
- unlax
- unleash
- unstrain
- unstring
- unwind
- wane
- waste
- wear