Synonyms|219Antonyms|93|Broader|12Narrower|13Related|291
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significance(noun, importance, gravity)
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sincerity(noun, importance, significance, gravity)
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snippiness
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sober-mindedness(noun, importance, significance, gravity, humorlessness)
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sobriety(noun, importance, significance, severity, gravity)
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solidity(firmness, rigidity, stiffness)
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somberness(noun, severity, strictness, seriousness)
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sourness(sharpness, severity, harshness, unfriendliness)
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spinosity
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stability(firmness, rigidity, stiffness)
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staidness(noun, importance, significance, gravity, humorlessness)
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sterner
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stoicism(severity, strictness)
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strict
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stricter
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stringent
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suffering(severity, harshness, conformity, strictness, conservatism)
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sullenness(sharpness, severity, harshness)
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sullenness a(expression, idiom, discourtesy)
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temperance(severity, strictness)
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APASmart Define. (2015). sternness thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sternness/thesaurus/synonyms
ChicagoSmart Define. 2015. "sternness thesaurus" https://smartdefine.org/sternness/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sternness thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sternness/thesaurus/synonyms>.
MLASmart Define. "sternness thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sternness/thesaurus/synonyms>