Synonyms|270Antonyms|105|Broader|3Narrower|13Related|183

170 entries under verb topic. ×

1
restore(support, increase, encourage, establish)
1
ride out(expression, keep, overcome, endure)
1
rise(support, increase, establish, extend)
1
rise above(expression, keep, overcome, endure)
1
set up(expression, support, increase, establish)
1
sinew(support, increase, establish, extend)
1
soup up(expression, support, increase, sustain)
1
stand(support, keep, overcome, endure)
1
stand up for(expression, idiom, support, increase)
1
step up(expression, support, increase, establish)
1
stick it out(expression, idiom, keep, overcome)
1
stroke(support, increase, boost, sustain)
1
substantiate(support, increase, establish, extend)
1
suffer(keep, overcome, endure, resist)
1
supplement(support, increase, boost, sustain)
1
surmount(keep, overcome, endure, resist)
1
survive(keep, overcome, endure, resist)
1
tempering
1
thicken(close, set, fix, settle)
1
tone up(expression, support, increase, establish)
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APASmart Define. (2015). toughen thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms>