Synonyms|178Antonyms|0|Broader|2Narrower|0Related|5
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decide
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declare invalid(expression, compensate, countercheck, overcompensate)
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deepen(verb, severe, exercise, strengthen, fortify)
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define
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determine
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develop(strengthen, harden)
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do business(expression, compensate, countercheck, overcompensate)
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emphasize(verb, severe, exercise, strengthen)
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enhance(verb, establish, severe, exercise, strengthen)
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escalate(verb, severe, exercise, strengthen)
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exacerbate(verb, severe, exercise, strengthen)
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exalt(verb, severe, exercise, strengthen)
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exercise(verb, severe, strengthen)
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firming(secure, steady, compensate, countercheck, overcompensate)
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firming up(expression, compensate, countercheck, overcompensate)
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forgive and forget(expression, idiom, compensate, countercheck, overcompensate)
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fortify(strengthen, harden)
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gel
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get in shape(verb, severe, exercise, strengthen)
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give satisfaction(expression, compensate, countercheck, overcompensate)
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APASmart Define. (2015). firm up thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/firm_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "firm up thesaurus" https://smartdefine.org/firm_up/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, firm up thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/firm_up/thesaurus/synonyms>.
MLASmart Define. "firm up thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/firm_up/thesaurus/synonyms>