98 entries under resolute topic. ×

32
obstinate(adjective, mean, hard, tough, moderate)
31
unshakable(adjective, mean, hard, determined, unreasonable)
30
unbendable(adjective, firm, resist, determined, unreasonable)
25
constant(adjective, strain, still, fixed, firmness)
25
hard-nosed(adjective, mean, strong, hard, tough)
25
steady(adjective, feature, state, characteristic, complete)
22
adamantine(adjective, strong, hard, tough, severe)
22
tough(adjective, mean, strong, hard, easy)
22
unwavering(adjective, determined, persistent, constant)
21
fast(adjective, complete, secure, strain, firm)
20
enduring(adjective, strain, firm, fixed, stiff)
17
hidebound(adjective, moderate, severe, determined)
17
inelastic(adjective, hard, tough, severe, firm)
16
set in stone(expression, adjective, idiom, mean, hard)
15
iron(adjective, mean, strong, hard, tough)
14
implacable(adjective, mean, strong, hard, tough)
14
resolved(adjective, severe, harsh, cruel, determined)
14
tenacious(adjective, determined, persistent, obstinate)
14
unswayable(adjective, hard, determined, obstinate)
13
grim(adjective, strong, hard, tough, severe)
11 years ago|38k views|share |citing 
APASmart Define. (2015). rigid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, rigid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>.
MLASmart Define. "rigid thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms>