Synonyms|159Antonyms|2|Broader|0Narrower|0Related|25
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stiff
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strenuous
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tough
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unalterable
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unbending
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unchangeable
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unchanging
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undeviating
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unhesitant
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unhesitating
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unshakeable
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unshaken
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unwearying
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very enthusiastic(expression, adjective, strong, passionate, ardent)
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vigorous
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warm(adjective, strong, passionate, ardent, sincere)
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wholehearted(adjective, strong, passionate, ardent, sincere)
0
zealous(adjective, strong, passionate, ardent, sincere)
-1
bullheaded
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APASmart Define. (2015). perseverant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/perseverant/thesaurus/synonyms
ChicagoSmart Define. 2015. "perseverant thesaurus" https://smartdefine.org/perseverant/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, perseverant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/perseverant/thesaurus/synonyms>.
MLASmart Define. "perseverant thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/perseverant/thesaurus/synonyms>