80 entries under rigid topic. ×

8
unchangeable(adjective, complete, secure, certain, true)
5
steady(adjective, clear, firm, certain, definite)
4
indomitable(adjective, hard, tough, difficult, resolute)
4
single-minded(adjective, tough, firm, harsh, cruel)
4
sure(adjective, certain, definite, fixed)
4
tight
3
crisp(adjective, tough, severe, firm, fixed)
3
ironclad(adjective, fixed)
3
unadaptable(adjective, set, hard, stiff)
2
definite(adjective, clear, severe, firm, certain)
2
exact(adjective, usual)
2
formal(adjective, tough, firm, careful, distant)
2
locked in(expression, adjective, secure, tough, firm)
2
prim(adjective, formal)
1
certain(adjective, clear, definite, fixed)
1
changeless(clear, severe, certain, definite, fixed)
1
concrete
1
distant(adjective, tough, firm, fixed)
1
do or die(expression, adjective, idiom, tough, firm)
1
dug in(expression, adjective, secure, tough, firm)
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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>