86 entries under strengthen topic. ×

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buck up(verb, expression, support, help, boost)
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clinch(fortify, reinforce)
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entrench(verb, support, secure, protect)
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garrisoned(verb, fortify, blinded, brace)
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garrisoning(verb, fortify, blinded, brace)
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protect(verb, support, secure, shield)
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APASmart Define. (2015). buttress thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/buttress/thesaurus/synonyms
ChicagoSmart Define. 2015. "buttress thesaurus" https://smartdefine.org/buttress/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, buttress thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/buttress/thesaurus/synonyms>.
MLASmart Define. "buttress thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/buttress/thesaurus/synonyms>