802 entries under adjective topic. ×

63
fixed(verb, state, strong, hard)
53
firm(noun, business, state, company)
51
determined(state, strong, tough, severe)
47
rigid(hard, secure, tough, severe)
44
resolute(calm, strong, secure, tough)
43
stubborn(strong, secure, tough, firm)
42
inflexible(strong, hard, secure, tough)
38
immovable(strong, secure, firm, solid)
35
unyielding(strong, hard, secure, tough)
31
inexorable(determined, resolute, persistent, obstinate)
31
established(verb, usual, state, calm)
31
uncompromising(secure, firm, certain, determined)
30
intransigent(determined, stiff, resolute, obstinate)
29
stiff(hard, secure, tough, severe)
26
relentless(property, determined, resolute, obstinate)
26
unbending(strong, flat, firm, certain)
24
insistent(firm, determined, resolute, persistent)
23
obdurate(strong, determined, resolute, obstinate)
23
settled(verb, state, strong, secure)
23
steadfast(calm, strong, secure, tough)
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APASmart Define. (2016). set thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/set/thesaurus/synonyms
ChicagoSmart Define. 2016. "set thesaurus" https://smartdefine.org/set/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, set thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/set/thesaurus/synonyms>.
MLASmart Define. "set thesaurus" 1 March 2016. Web. 21 September 2026. <https://smartdefine.org/set/thesaurus/synonyms>