266 entries under firm topic. ×

2
self-willed(adjective, tough, determined, inflexible)
2
solidified(adjective, set, hard, solid)
2
stabile(adjective, dull, solid, still)
2
stark(adjective, strong, hard, sound, tough)
2
stated(noun, adjective, strong, flat)
2
stipulated(adjective, strong, flat, certain)
2
substantial(adjective, strong, hard, sound, tough)
2
taut(adjective, strong, hard, secure, rough)
2
tense(adjective, hard, solid, stiff)
2
thickened(adjective, set, strong, solid)
2
total(adjective, strong, complete, perfect)
2
true blue(expression, true, constant, steadfast)
2
uncompliant(adjective, set, tough, unreasonable)
2
understood(complete, certain, obedient, wholehearted)
2
unflappable(adjective, dull, solid, certain)
2
unfluctuating(adjective, dull, strong, secure)
2
unreserved(complete, certain, obedient, wholehearted)
2
unshaken(adjective, clear, strong, flat)
1
accurate(complete, certain, obedient, wholehearted)
1
annealed(adjective, hard, solid, stiff)
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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>