71 entries under unyielding topic. ×

3
nonstop(adjective, continue, steady, regular, even)
2
coherent(adjective, strong, tough, firm, determined)
2
sure(adjective, strong, tough, flat, firm)
2
unshaken(adjective, strong, firm, certain, definite)
1
hanging tough(expression, adjective, determined, resolute, constant)
1
hard-headed(adjective, constant, pitiless, endless)
1
merciless(adjective, constant, pitiless, endless)
1
neverending(adjective, resolute, constant, living, continuous)
1
remorseless(adjective, tough, firm, unreasonable, grim)
1
unabated(adjective, severe, intense, pure, constant)
0
iron-fisted(adjective, constant, pitiless, endless)
11 years ago|29k views|share |citing 
APASmart Define. (2015). persistent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/persistent/thesaurus/synonyms
ChicagoSmart Define. 2015. "persistent thesaurus" https://smartdefine.org/persistent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, persistent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/persistent/thesaurus/synonyms>.
MLASmart Define. "persistent thesaurus" 1 June 2015. Web. 24 September 2026. <https://smartdefine.org/persistent/thesaurus/synonyms>