impair
pejorate
disimprove
do more harm than good
disimprovement
worsen
exacerbate
compound
decline
fan the flames
kick someone when they are down
ameliorate
confound
aggravate
exasperate
kick a dog when it's down
water down
make matters worse
misalter
rub salt in someone's wounds
deterioratingly
twist the knife
exacerbation
deteriorate
go backwards
exacerbatingly
run
take a turn for the worse
break down
aggravation
exasperating
go from bad to worse
exacerbating
rub salt in the wound
distortion
deformation
aggravating
fall away
the cure is worse than the disease
fall
reap the whirlwind
retrogressive
turn around
pick up
retrograde
drop behind
weaken
shape up
crappify
detrimentalness
worsening
sap
suffer
make heavy weather of
detrimentality
freefall
agudization
crash
forfeit
rough end of the pineapple
outblunder
ruin
disserve
dig one's own grave
harm
worse
below average
impairment
top it off
damage
lesser of two evils
misperform
wusser
meliorate
sufferability
gild the lily
improve on
turn
disavail
worsely
worsened
poison
flaw
lowen
deteriorationist
exacerbatory
ill service
disservice
ill turn
worserer
decay
go to shit

English words for 'make worse or less effective'

As you may have noticed, above you will find words for "make worse or less effective". Hover the mouse over the word you'd like to know more about to view its definition. Click search related words by phrase or description. to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.

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