39 entries under secure topic. ×

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mounted(strong, substantial, stable, unmoving)
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nailed(strong, substantial, stable, unmoving)
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riveted(strong, substantial, stable, unmoving)
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robust(strong, substantial, stable, unmoving)
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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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spiked(strong, substantial, stable, unmoving)
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steady(strong, stable)
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tenacious(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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unshakable(strong, substantial, stable, unmoving)
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welded(strong, substantial, stable, unmoving)
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well-founded(strong, stable)
<12>
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APASmart Define. (2016). petrified thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/petrified/thesaurus/synonyms
ChicagoSmart Define. 2016. "petrified thesaurus" https://smartdefine.org/petrified/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, petrified thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/petrified/thesaurus/synonyms>.
MLASmart Define. "petrified thesaurus" 23 March 2016. Web. 23 September 2026. <https://smartdefine.org/petrified/thesaurus/synonyms>