152 entries under determined topic. ×

6
undeviating(adjective, strong, severe, flat, firm)
6
unshakeable(adjective, resolute, uncompromising)
5
endless(adjective, steady, resolute, persistent)
5
exact(adjective, clear, strong, severe, flat)
5
hard(adjective, adverb, mean, strong, rough)
5
intractable(adjective, hard, tough, rough, firm)
5
positive(adjective, clear, certain, definite)
5
resistant(adjective, strong, tough, firm)
5
specified(verb, adjective, firm, usual)
5
true(adjective, clear, strong, hard, sound)
5
unqualified(adjective, strong, complete, flat, firm)
4
agreed(adjective, set, firm, certain)
4
consistent(adjective, dull, set, strong, flat)
4
deliberate(adjective, complete, firm, total, exact)
4
headstrong(adjective, tough, firm, unreasonable)
4
inelastic(adjective, severe, firm, solid)
4
scheduled(verb, adjective, firm, usual)
4
single-minded(adjective, tough, firm, solid)
4
unmoved(adjective, calm, still, lifeless)
3
continual(adjective, usual, steady, stable)
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APASmart Define. (2016). fixed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fixed/thesaurus/synonyms
ChicagoSmart Define. 2016. "fixed thesaurus" https://smartdefine.org/fixed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, fixed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fixed/thesaurus/synonyms>.
MLASmart Define. "fixed thesaurus" 16 March 2016. Web. 22 September 2026. <https://smartdefine.org/fixed/thesaurus/synonyms>