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

170 entries under verb topic. ×

2
sustain(support, increase, keep, overcome)
2
tighten
2
vivify
2
weather
1
add(support, increase, establish, extend)
1
add fuel to fire(expression, idiom, support, increase)
1
add to(expression, support, increase, boost)
1
ascend(support, increase, establish, extend)
1
augment(support, increase, boost, sustain)
1
back up(expression, support, increase, boost)
1
bear the brunt of(expression, idiom, keep, overcome)
1
bear up against(expression, idiom, keep, overcome)
1
become toughened(expression, keep, overcome, endure)
1
boost(support, increase, sustain, uphold)
1
brutalize(strengthen, scratch, harden, roughen)
1
build up(expression, phrasal verb, support, increase)
1
cake(close, set, fix, settle)
1
carry(support, increase, boost, sustain)
1
caseharden(close, set, fix, continue)
1
climatize(rough, prepare, adjust, strengthen)
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APASmart Define. (2015). toughen thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms>