138 entries under sturdy topic. ×

1
wholehearted(adjective, complete, firm, total, enthusiastic)
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alive and kicking(expression, idiom, complete, vigorous)
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ardent(adjective, firm, enthusiastic, vigorous, stable)
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effectual(complete, important, powerful, vigorous)
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everyday(strong, stout, applied, hands-on)
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patterned(adjective, firm, substantial, stable, fixed)
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reserved(adjective, firm, stable, fixed)
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right as rain(expression, idiom, complete, vigorous)
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sedate(adjective, firm, stable, fixed, sober)
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self-possessed(adjective, firm, certain, stable, fixed)
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serene(adjective, firm, stable, fixed)
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serious-minded(adjective, firm, stable, fixed)
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staid(adjective, firm, stable, fixed, sober)
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steady-going(adjective, firm, substantial, stable, fixed)
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unquestioning(adjective, firm, stable, fixed)
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unshaken(adjective, firm, steady, stable, fixed)
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vital(complete, fit, vigorous, healthy, well)
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wrapped tight(expression, complete, vigorous)
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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>