0
sturdy
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substantial
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sure
0
sure-footed
0
surefooted
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systematic
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tried
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tried-and-true
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trustworthy
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trusty
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unchangeable
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unchanging
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undeniable
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undoubted
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uniform
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unquestionable
0
unrelenting
0
unremitting
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unvarying
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unwavering
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APASmart Define. (2015). rock-steady thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/rock-steady/thesaurus/related
ChicagoSmart Define. 2015. "rock-steady thesaurus" https://smartdefine.org/rock-steady/thesaurus/related (accessed September 30, 2026).
HarvardSmart Define 2015, rock-steady thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/rock-steady/thesaurus/related>.
MLASmart Define. "rock-steady thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/rock-steady/thesaurus/related>