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responsible
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serviceable
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settled
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snappy
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solid
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sound
0
spanking
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sprightly
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springy
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stationary
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steady as time
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strenuous
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studiously
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substantial
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sufficient
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sure
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sworn
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tamperproof
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tried
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tried-and-true
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APASmart Define. (2015). unflagging thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unflagging/thesaurus/related
ChicagoSmart Define. 2015. "unflagging thesaurus" https://smartdefine.org/unflagging/thesaurus/related (accessed September 25, 2026).
HarvardSmart Define 2015, unflagging thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unflagging/thesaurus/related>.
MLASmart Define. "unflagging thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unflagging/thesaurus/related>