802 entries under adjective topic. ×

11
unbendable(firm, determined, resolute, rigid)
10
entrenched(firm, usual, fixed, inflexible)
10
hard-nosed(severe, determined, resolute, obstinate)
10
invariable(calm, severe, stable, stiff)
10
ordinary(dull, flat, silly, common)
10
persistent(strong, tough, flat, firm)
10
set up(verb, expression, phrasal verb, show)
10
situated(verb, secure, firm, steady)
9
dogged(strong, hard, tough, firm)
9
fast(calm, strong, secure, tough)
9
hard(mean, strong, tough, severe)
9
inveterate(certain, usual, regular, limited)
9
routine(noun, nature, act, dull)
9
secure(verb, calm, fix, strong)
9
unchanging(severe, firm, harsh, solid)
9
unswayable(determined, resolute, rigid, strict)
8
adamantine(severe, firm, harsh, determined)
8
common(dull, mean, flat, silly)
8
concrete(verb, close, strong, hard)
8
decisive(firm, certain, determined, significant)
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APASmart Define. (2016). set thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/set/thesaurus/synonyms
ChicagoSmart Define. 2016. "set thesaurus" https://smartdefine.org/set/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, set thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/set/thesaurus/synonyms>.
MLASmart Define. "set thesaurus" 1 March 2016. Web. 22 September 2026. <https://smartdefine.org/set/thesaurus/synonyms>