266 entries under firm topic. ×

5
resistant(adjective, strong, tough, determined)
5
specified(verb, adjective, determined, usual)
5
stuck(adjective, true, still, steady)
5
true(adjective, clear, strong, hard, sound)
5
unhesitating(adjective, complete, solid, certain)
5
unqualified(adjective, strong, complete, flat)
5
unswerving(adjective, complete, total, solid)
4
agreed(adjective, set, certain, determined)
4
calm(adjective, quiet, smooth, solid)
4
cemented(noun, verb, adjective, strong, hard)
4
conclusive(adjective, clear, hard, sound, complete)
4
consistent(adjective, dull, set, strong, flat)
4
deliberate(adjective, complete, total, exact)
4
headstrong(adjective, tough, determined, unreasonable)
4
in the bag(expression, adjective, idiom, solid)
4
indelible(adjective, true, constant, steadfast)
4
inelastic(adjective, severe, solid, determined)
4
scheduled(verb, adjective, determined, usual)
4
single-minded(adjective, tough, solid, determined)
4
situated(verb, adjective, set, secure)
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APASmart Define. (2016). fixed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fixed/thesaurus/synonyms
ChicagoSmart Define. 2016. "fixed thesaurus" https://smartdefine.org/fixed/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, fixed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fixed/thesaurus/synonyms>.
MLASmart Define. "fixed thesaurus" 16 March 2016. Web. 23 September 2026. <https://smartdefine.org/fixed/thesaurus/synonyms>