80 entries under rigid topic. ×

23
steadfast(adjective, clear, secure, tough, severe)
21
tough(adjective, mean, clear, hard, severe)
19
stern(adjective, severe, rough, harsh, determined)
19
strict(adjective, hard, tough, severe, rough)
19
unwavering(adjective, determined, fixed, resolute, purpose)
18
hard(adjective, mean, severe, rough, difficult)
16
set in stone(expression, adjective, idiom, mean, hard)
15
rigorous(adjective, hard, severe, rough, difficult)
15
standing pat(expression, adjective, tough, firm, determined)
15
unswayable(adjective, tough, firm, determined, distant)
13
harsh(adjective, mean, hard, severe, rough)
12
intractable(adjective, hard, tough, rough, firm)
11
austere(adjective, severe, severity)
11
hanging tough(expression, adjective, mean, hard, determined)
10
incompliant(adjective, tough, firm, resist, determined)
10
inelastic(adjective, tough, firm, determined, distant)
10
resolved(adjective, firm, deliberate, determined, resolute)
9
strong(adjective, determined, resolute, stubborn)
8
hard-line(adjective, tough, firm, difficult)
8
pigheaded(adjective, mean, hard, firm, deliberate)
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APASmart Define. (2015). uncompromising thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/uncompromising/thesaurus/synonyms
ChicagoSmart Define. 2015. "uncompromising thesaurus" https://smartdefine.org/uncompromising/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, uncompromising thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/uncompromising/thesaurus/synonyms>.
MLASmart Define. "uncompromising thesaurus" 26 August 2015. Web. 26 September 2026. <https://smartdefine.org/uncompromising/thesaurus/synonyms>