Synonyms|289Antonyms|101|Broader|6Narrower|0Related|320

24 entries under fixed topic. ×

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true(firm, constant, steadfast, immovable)
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true blue(expression, firm, true, constant)
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unwavering(firm, true, constant, steadfast)
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wedged(firm, true, constant, steadfast)
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APASmart Define. (2015). impregnable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impregnable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impregnable thesaurus" https://smartdefine.org/impregnable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, impregnable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impregnable/thesaurus/synonyms>.
MLASmart Define. "impregnable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/impregnable/thesaurus/synonyms>