worsen (v.)
- accommodate
- adapt
- adjust
- aggravate
- alter
- ameliorate
- amplify
- annoy
- augment
- better
- blast
- blight
- break
- change
- checker
- chop
- convert
- corrupt
- damage
- debase
- decline
- deepen
- deform
- degenerate
- degrade
- denature
- descend
- deteriorate
- deviate
- dilapidate
- disintegrate
- diverge
- diversify
- embitter
- enhance
- enlarge
- exacerbate
- exasperate
- fit
- flop
- foul
- harm
- heighten
- humble
- hurt
- impair
- improve
- increase
- injure
- intensify
- irritate
- jibe
- lower
- magnify
- meliorate
- mitigate
- modify
- modulate
- mutate
- overthrow
- provoke
- qualify
- re-create
- realign
- rebuild
- reconstruct
- redesign
- refit
- reform
- regress
- relapse
- remake
- renew
- reshape
- restructure
- retrograde
- retrogress
- revamp
- revive
- rot
- sharpen
- shift
- sicken
- sink
- slacken
- sour
- subvert
- swerve
- tack
- taint
- turn
- vary
- veer
- warp
- weaken