86 entries under impair topic. ×

1
mute(verb, dull, quiet, diminish)
1
mutilate(verb, stop, hurt, ruin, restrain)
1
pinion(verb, stop, hurt, ruin, restrain)
1
put out of action(verb, expression, idiom, stop, help)
1
put out of order(expression, idiom, dull, quiet, diminish)
1
quiet(verb, calm, dull, diminish, abate)
1
quieten(verb, calm, dull, quiet, diminish)
1
render incapable(expression, stop, hurt, ruin, restrain)
1
repress(verb, dull, quiet, beat, crush)
1
retard(verb, dull, quiet, diminish, abate)
1
ruin(verb, stop, hurt, restrain, halt)
1
sabotage(verb, stop, hurt, ruin, restrain)
1
shatter(verb, stop, hurt, ruin, restrain)
1
slow(verb, dull, quiet, diminish)
1
smother(verb, dull, quiet, diminish, abate)
1
soften(verb, dull, quiet, diminish, abate)
1
stifle(verb, dull, quiet, diminish)
1
suppress(verb, dull, quiet, beat, defeat)
1
throw monkey wrench in(expression, idiom, stop, hurt, ruin)
1
tone down(expression, dull, quiet, diminish, abate)
10 years ago|7.7k views|share |citing 
APASmart Define. (2015). knock out thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/knock_out/thesaurus/synonyms
ChicagoSmart Define. 2015. "knock out thesaurus" https://smartdefine.org/knock_out/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, knock out thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/knock_out/thesaurus/synonyms>.
MLASmart Define. "knock out thesaurus" 23 December 2015. Web. 30 September 2026. <https://smartdefine.org/knock_out/thesaurus/synonyms>