Synonyms|270Antonyms|105|Broader|3Narrower|13Related|183
5
soften
3
enervate
3
weaken
2
flex(noun, verb, soften)
2
melt
2
tenderize(verb, soften)
1
debilitate
1
enfeeble
1
impair
1
lessen
1
undermine
0
abbreviate
0
abet
0
adjoin
0
agitate
0
allay
0
alleviate
0
ameliorate
0
amortize
0
angles
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APASmart Define. (2015). toughen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/toughen/thesaurus/antonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/toughen/thesaurus/antonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/toughen/thesaurus/antonyms>