Synonyms|1.6kAntonyms|601|Broader|23Narrower|80Related|680
2
season
2
stand firm(verb, expression, idiom)
2
stiffen(verb, soften)
2
surge
2
thicken(reduce, thin)
2
toughen
1
achieve(verb, raise, rise, extend, fortify)
1
activate(verb, raise, rise, extend, fortify)
1
aggravate(verb, reduce, raise, rise, extend)
1
agitate(verb, raise, rise, extend, fortify)
1
aid(verb, raise, rise, extend, fortify)
1
amplify
1
ascent
1
assist(verb, raise, rise, extend, fortify)
1
assure
1
brace
1
buttress(verb, support, bolster)
1
clean(verb, raise, rise, extend, fortify)
1
condense
1
convalesce
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APASmart Define. (2016). weaken thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/weaken/thesaurus/antonyms
ChicagoSmart Define. 2016. "weaken thesaurus" https://smartdefine.org/weaken/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, weaken thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/weaken/thesaurus/antonyms>.
MLASmart Define. "weaken thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/weaken/thesaurus/antonyms>