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

94 entries under vigorous topic. ×

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friendly(adjective, calm, informal, relaxed, enthusiastic)
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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, solid, physical, material, enthusiastic)
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impassioned(adjective, enthusiastic, sincere, wholehearted)
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in the pink(expression, complete, fit, solid)
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intact(complete, solid, sturdy)
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jolly(adjective, enthusiastic, sincere, wholehearted)
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jovial(adjective, enthusiastic, sincere, wholehearted)
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neighborly(adjective, enthusiastic, sincere, wholehearted)
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passionate(adjective, enthusiastic, sincere, wholehearted)
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perfect(complete, solid, sturdy)
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responsive(adjective, enthusiastic, sincere, wholehearted)
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right as rain(expression, idiom, complete, solid)
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sane(complete, solid)
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thorough(complete, solid, sturdy)
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total(complete, solid, sturdy)
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unblemished(complete, solid, sturdy)
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APASmart Define. (2016). substantial thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/substantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "substantial thesaurus" https://smartdefine.org/substantial/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, substantial thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/substantial/thesaurus/synonyms>.
MLASmart Define. "substantial thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/substantial/thesaurus/synonyms>