155 entries under weaken topic. ×

4
retrench(verb, decline, reduce, restrain, moderate)
4
wane(verb, drop, cut, decline, reduce)
4
worsen(verb, drop, decline, reduce, destroy)
3
drain(verb, upset, drop, trouble, dull)
3
extenuate(verb, decline, reduce, moderate, decrease)
3
lapse(verb, drop, decline, fall, fail)
3
pervert(verb, decline, reduce, destroy, fail)
3
roll back(verb, expression, phrasal verb, cut, decline)
3
sag(verb, hold, drop, cover, decline)
3
shrivel(verb, drop, cut, decline, reduce)
3
taper off(verb, expression, cut, decline, reduce)
3
undermine(verb, upset, drop, decline, reduce)
2
blister(verb, reduce, crush, withdraw, diminish)
2
crumble(verb, drop, cut, decline, reduce)
2
decay(verb, drop, cut, decline, reduce)
2
degenerate(verb, drop, cut, decline, reduce)
2
deprave(verb, decline, reduce, ruin, destroy)
2
derogate(verb, reduce, dismiss, destroy, withdraw)
2
dilute(verb, cut, decline, reduce, fail)
2
fade(verb, drop, dull, cut, decline)
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APASmart Define. (2016). lower thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lower/thesaurus/synonyms
ChicagoSmart Define. 2016. "lower thesaurus" https://smartdefine.org/lower/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, lower thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lower/thesaurus/synonyms>.
MLASmart Define. "lower thesaurus" 21 March 2016. Web. 27 September 2026. <https://smartdefine.org/lower/thesaurus/synonyms>