135 entries under inflexible topic. ×

31
set(adjective, strong, hard, secure, tough)
29
resistant(adjective, strong, strain, firm, firmness)
28
tough(adjective, mean, clear, strong, hard)
25
tight(adjective, close, strong, hard, tough)
24
dogged(adjective, appearance, mean, strong, hard)
24
tenacious(adjective, clear, strong, sound, tough)
24
unshakable(adjective, mean, strong, hard, secure)
23
intractable(adjective, appearance, hard, tough, rough)
21
headstrong(adjective, hard, tough, rough, harsh)
21
unbendable(adjective, firm, resist, determined, unreasonable)
19
substantial(adjective, strong, hard, sound, tough)
17
inelastic(adjective, hard, tough, firm, solid)
17
mulish(adjective, mean, strong, hard, tough)
15
steely(adjective, strong, hard, tough, firm)
14
iron(adjective, mean, strong, hard, tough)
14
perverse(adjective, mean, hard, tough, firm)
14
unflinching(adjective, mean, strong, severe, flat)
13
bullheaded(adjective, strong, hard, tough, firm)
13
pigheaded(adjective, mean, hard, tough, firm)
13
solid(adjective, set, strong, hard, sound)
10 years ago|23k views|share |citing 
APASmart Define. (2016). unyielding thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unyielding/thesaurus/synonyms
ChicagoSmart Define. 2016. "unyielding thesaurus" https://smartdefine.org/unyielding/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unyielding thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unyielding/thesaurus/synonyms>.
MLASmart Define. "unyielding thesaurus" 10 March 2016. Web. 1 October 2026. <https://smartdefine.org/unyielding/thesaurus/synonyms>