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

80 entries under strengthen topic. ×

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animate(encourage, restore, hearten)
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buck up
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bulwark(verb, support, reinforce)
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charge up(verb, expression, support, reinforce)
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cheer(encourage, restore, hearten)
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embattle(verb, support, reinforce)
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embolden(encourage, restore, hearten)
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entrench(verb, support, reinforce)
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firm up(verb, expression, phrasal verb, harden)
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forge
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galvanize
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garrison(verb, support, reinforce)
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grit teeth
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inspirit(encourage, restore, hearten)
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prepare oneself
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protect(verb, support, reinforce)
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rally(encourage, restore, hearten)
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ready(verb, support, encourage, restore, uphold)
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secure(verb, support, reinforce, constrict)
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underpin
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APASmart Define. (2015). toughen thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/toughen/thesaurus/synonyms
ChicagoSmart Define. 2015. "toughen thesaurus" https://smartdefine.org/toughen/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, toughen thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/toughen/thesaurus/synonyms>.
MLASmart Define. "toughen thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/toughen/thesaurus/synonyms>