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

94 entries under vigorous topic. ×

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undamaged(complete, solid, sturdy)
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undecayed(complete, solid, sturdy)
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unfeigned(adjective, solid, physical, material, enthusiastic)
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unhurt(complete, solid, sturdy)
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unimpaired(complete, solid, sturdy)
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uninjured(complete, solid, sturdy)
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unreserved(adjective, enthusiastic, sincere, wholehearted)
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unrestrained(adjective, enthusiastic, sincere, wholehearted)
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vibrant(complete, solid, sturdy)
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vivacious(adjective, enthusiastic, sincere, wholehearted)
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warmhearted(adjective, enthusiastic, sincere, wholehearted)
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wholehearted(adjective, firm, solid, enthusiastic)
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wrapped tight(expression, complete, solid, sturdy)
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zealous(adjective, enthusiastic, sincere, wholehearted)
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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>