3
flinty
3
gruff(adjective, severe)
3
hanging(adjective, determined, resolute, obstinate, unshakeable)
3
hard-hearted(adjective, mean, hard, tough, harsh)
3
intense(adjective, severe)
3
ironclad(adjective, fixed, rigid)
3
prudish(adjective, severe)
3
rigourous
3
serious(adjective, resolute)
3
short(adjective, severe)
3
unadaptable(adjective, set, hard, stiff, rigid)
3
unappeasable(adjective, harsh, cruel, determined, fierce)
3
unfeeling(adjective, mean, hard, tough, severe)
3
vigorous
3
wayward(adjective, tough, difficult, obstinate, stubborn)
2
Draconian(adjective, severe)
2
absolute(complete, severe, harsh, exceptional, definite)
2
acute(adjective, severe)
2
barbarous(adjective, cruel, pitiless, heartless, hardhearted)
2
bleak(adjective, severe)
11 years ago|15k views|share |citing 
APASmart Define. (2015). uncompromising thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/uncompromising/thesaurus/synonyms
ChicagoSmart Define. 2015. "uncompromising thesaurus" https://smartdefine.org/uncompromising/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, uncompromising thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/uncompromising/thesaurus/synonyms>.
MLASmart Define. "uncompromising thesaurus" 26 August 2015. Web. 23 September 2026. <https://smartdefine.org/uncompromising/thesaurus/synonyms>