112 entries under persistent topic. ×

1
continual(adjective, constant, pitiless, unyielding)
1
continuous(adjective, direct, straight, constant)
1
endless(adjective, constant, pitiless, unyielding)
1
enduring(adjective, strong, flat, firm, certain)
1
fast(adjective, close, strong, firm, stiff)
1
ferocious(adjective, hard, rough, harsh, cruel)
1
fierce(adjective, clear, hard, tough, severe)
1
go for broke(expression, adjective, idiom, harsh, cruel)
1
hang-tough(adjective, strong, hard, tough, harsh)
1
hang in(expression, adjective, harsh, cruel, determined)
1
hard-headed(adjective, constant, pitiless, unyielding)
1
immobile(adjective, intense, cruel, resolute)
1
incessant(adjective, constant, pitiless, unyielding)
1
iron-fisted(adjective, constant, pitiless, unyielding)
1
mortal(adjective, harsh, cruel, determined, fierce)
1
never-failing(adjective, strong, flat, certain, determined)
1
perpetual(adjective, constant, pitiless, unyielding)
1
stable(adjective, close, strong, flat, firm)
1
stop at nothing(expression, adjective, idiom, harsh, cruel)
1
unabated(adjective, severe, intense, pure)
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APASmart Define. (2016). unbending thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unbending/thesaurus/synonyms
ChicagoSmart Define. 2016. "unbending thesaurus" https://smartdefine.org/unbending/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, unbending thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unbending/thesaurus/synonyms>.
MLASmart Define. "unbending thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/unbending/thesaurus/synonyms>