91 entries under strengthen topic. ×

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give a boost(verb, expression, idiom, encourage, boost)
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grit teeth(expression, toughen)
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harden(stimulate, refresh, revitalize, toughen)
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hold up(verb, expression, support, help, boost)
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pillow(verb, support, help, aid, boost)
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prepare(nerve, steel, toughen)
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prepare oneself(expression, toughen)
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ready
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shore up(verb, expression, support, help, aid)
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stay(verb, support, help, aid, boost)
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toughen
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APASmart Define. (2016). buck up thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/buck_up/thesaurus/synonyms
ChicagoSmart Define. 2016. "buck up thesaurus" https://smartdefine.org/buck_up/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, buck up thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/buck_up/thesaurus/synonyms>.
MLASmart Define. "buck up thesaurus" 25 February 2016. Web. 29 September 2026. <https://smartdefine.org/buck_up/thesaurus/synonyms>