Synonyms|1.4kAntonyms|650|Broader|15Narrower|0Related|2.9k

94 entries under vigorous topic. ×

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affable(adjective, calm, informal, relaxed, enthusiastic)
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alive and kicking(expression, idiom, complete, solid)
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animated(adjective, enthusiastic, sincere, wholehearted)
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ardent(adjective, firm, solid, enthusiastic)
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avid(adjective, enthusiastic, sincere, wholehearted)
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back-slapping(adjective, enthusiastic, sincere, wholehearted)
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cheerful(adjective, enthusiastic, sincere, wholehearted)
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cheery(adjective, enthusiastic, sincere, wholehearted)
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deep-felt(adjective, enthusiastic, sincere, wholehearted)
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deepest(adjective, enthusiastic, sincere, wholehearted)
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devout(adjective, enthusiastic, sincere, wholehearted)
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eager(adjective, enthusiastic, sincere, wholehearted)
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ebullient(adjective, enthusiastic, sincere, wholehearted)
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effusive(adjective, enthusiastic, sincere, wholehearted)
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emphatic(adjective, enthusiastic, sincere, wholehearted)
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enthusiastic(adjective, sincere, wholehearted, emphatic)
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entire(complete, solid, sturdy)
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exuberant(adjective, enthusiastic, sincere, wholehearted)
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flawless(complete, solid, sturdy)
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frank(adjective, enthusiastic, sincere, wholehearted)
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APASmart Define. (2016). substantial thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, substantial thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>.
MLASmart Define. "substantial thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms>