90 entries under stubborn topic. ×

7
immutable(adjective, set, hard, regular, fixed)
7
pigheaded(adjective, mean, hard, tough, firm)
6
headstrong(adjective, tough, firm, unreasonable, inflexible)
6
indurate(adjective, mean, hard, firm, determined)
6
unadaptable(adjective, set, hard, stiff, resolute)
5
staunch(adjective, set, hard, determined, resolute)
5
unsympathetic(adjective, mean, hard, severe, harsh)
4
contumacious(adjective, tough, firm, persistent, obstinate)
4
hard-hearted(adjective, mean, hard, harsh, inflexible)
4
indomitable(adjective, strong, hard, tough, resolute)
4
mean(adjective, hard, severe, harsh, bleak)
4
recalcitrant(adjective, tough, firm, persistent, obstinate)
4
secure(adjective, tight, inflexible, immovable)
3
cussed(adjective, severe, firm, unreasonable, grim)
3
located(secure, firm, solid, stiff, inflexible)
3
opinionated(adjective, tough, firm, unreasonable, inflexible)
3
self-willed(adjective, tough, firm, inflexible, obstinate)
3
uncooperative(adjective, mean, hard, persistent, obstinate)
2
anchored(adjective, secure, still, fixed, inflexible)
2
attached(adjective, secure, inflexible, immovable)
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APASmart Define. (2015). rigid thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms
ChicagoSmart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, rigid thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>.
MLASmart Define. "rigid thesaurus" 3 August 2015. Web. 28 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms>