95 entries under vigorous topic. ×

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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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effectual(complete, important, powerful, sturdy)
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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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exuberant(adjective, enthusiastic, sincere, wholehearted)
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frank(adjective, enthusiastic, sincere, wholehearted)
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gay(adjective, enthusiastic, sincere, wholehearted)
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genial(adjective, enthusiastic, sincere, wholehearted)
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glad(adjective, enthusiastic, sincere, wholehearted)
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gushing(adjective, enthusiastic, sincere, wholehearted)
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heartfelt(adjective, physical, material, enthusiastic, true)
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impassioned(adjective, enthusiastic, sincere, wholehearted)
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in the pink(expression, complete, fit, healthy)
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APASmart Define. (2016). solid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/solid/thesaurus/synonyms
ChicagoSmart Define. 2016. "solid thesaurus" https://smartdefine.org/solid/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, solid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/solid/thesaurus/synonyms>.
MLASmart Define. "solid thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/solid/thesaurus/synonyms>