Synonyms|178Antonyms|0|Broader|2Narrower|0Related|5

56 entries under verb topic. ×

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point(severe, exercise, strengthen)
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pour it on(severe, exercise, strengthen)
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quicken(severe, exercise, strengthen)
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raise(severe, exercise, strengthen)
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redouble(severe, exercise, strengthen)
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reinforce(severe, exercise, strengthen, fortify)
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rise(severe, exercise, strengthen)
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rouse(severe, exercise, strengthen)
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set off(expression, severe, exercise, strengthen)
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severe(exercise, strengthen)
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sharpen(severe, exercise, strengthen)
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spike(severe, exercise, strengthen)
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step up(severe, exercise, strengthen)
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stiffen
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strengthen(severe, exercise, fortify, harden)
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whet(severe, exercise, strengthen)
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APASmart Define. (2015). firm up thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/firm_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "firm up thesaurus" https://smartdefine.org/firm_up/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, firm up thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/firm_up/thesaurus/synonyms>.
MLASmart Define. "firm up thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/firm_up/thesaurus/synonyms>