39 entries under secure topic. ×

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rooted(strong, substantial, stable, unmoving)
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safe(strong, stable)
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screwed(strong, substantial, stable, unmoving)
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secured(strong, substantial, stable, unmoving)
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settled(strong, substantial, stable, unmoving)
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soldered(strong, substantial, stable, unmoving)
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sound(strong, substantial, stable, unmoving)
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stable
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stationary(strong, substantial, stable, unmoving)
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steady(strong, stable)
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taut(strong, substantial, stable, unmoving)
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tenacious(strong, substantial, stable, unmoving)
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tight(strong, substantial, stable, unmoving)
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tightened(strong, substantial, stable, unmoving)
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unfluctuating(strong, substantial, stable, unmoving)
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unmoving(strong, substantial, stable)
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unshakable(strong, substantial, stable, unmoving)
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welded(strong, substantial, stable, unmoving)
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well-founded(strong, stable)
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APASmart Define. (2015). spiked thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/spiked/thesaurus/synonyms
ChicagoSmart Define. 2015. "spiked thesaurus" https://smartdefine.org/spiked/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, spiked thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/spiked/thesaurus/synonyms>.
MLASmart Define. "spiked thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/spiked/thesaurus/synonyms>