1
become toughened(verb, expression, keep, overcome, endure)
1
boost(verb, support, increase, sustain, uphold)
1
brace up
1
brave
1
brutalize(verb, strengthen, scratch, harden, roughen)
1
build up(verb, expression, phrasal verb, support, increase)
1
cake(verb, close, set, fix, settle)
1
carry(verb, support, increase, boost, sustain)
1
case harden
1
caseharden(verb, close, set, fix, continue)
1
climatize(verb, rough, prepare, adjust, strengthen)
1
clot(verb, close, set, fix, settle)
1
coagulate(verb, close, set, fix, settle)
1
come through(verb, expression, keep, overcome, endure)
1
compact(verb, close, set, fix, settle)
1
cornify
1
corroborate(verb, support, increase, establish, extend)
1
curdle(verb, close, set, fix, settle)
1
dry(verb, close, set, fix, settle)
1
emphasize(verb, support, increase, boost, sustain)
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APASmart Define. (2015). toughen thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/toughen/thesaurus/synonyms>