87 entries under verb topic. ×

2
heighten(hurt, reduce, lower)
2
increase(noun, stop, drop, raise)
2
lift(noun, drop, promote, fall)
2
promote(stop, hurt, block, prevent)
2
purify(raise, rise, extend, fortify)
2
raise(calm, halt, rise, extend)
2
redouble
2
rise(noun, raise, extend, contract)
2
stand firm(expression, idiom)
2
stiffen
2
surge
1
achieve(raise, rise, extend, fortify)
1
activate(raise, rise, extend, fortify)
1
aggravate(reduce, raise, rise, extend)
1
agitate(raise, rise, extend, fortify)
1
aid(raise, rise, extend, fortify)
1
assist(raise, rise, extend, fortify)
1
buttress(support, bolster)
1
clean(raise, rise, extend, fortify)
1
corroborate
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APASmart Define. (2016). weaken thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/weaken/thesaurus/antonyms
ChicagoSmart Define. 2016. "weaken thesaurus" https://smartdefine.org/weaken/thesaurus/antonyms (accessed September 30, 2026).
HarvardSmart Define 2016, weaken thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/weaken/thesaurus/antonyms>.
MLASmart Define. "weaken thesaurus" 26 February 2016. Web. 30 September 2026. <https://smartdefine.org/weaken/thesaurus/antonyms>