117 entries under persistent topic. ×

2
stable(adjective, rigid, inflexible, obstinate)
2
stringent(adjective, tough, severe, harsh, solid)
2
unalterable(adjective, close, set, severe, harsh)
2
undeviating(adjective, severe, harsh, solid, cruel)
2
unending(adjective, constant, continuous, endless)
2
unvarying(adjective, constant, continuous, endless)
2
vindictive(adjective, mean, hard, tough, severe)
1
consistent(adjective, certain, constant, reliable)
1
cussed(adjective, hard, tough, severe, firm)
1
dead set on(expression, adjective, idiom, harsh, cruel)
1
disturbing(adjective, hard, severe, sharp, flat)
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
neverending(adjective, steady, resolute, continuous)
1
nonstop(adjective, constant, continuous, unyielding)
1
stop at nothing(expression, adjective, idiom, harsh, cruel)
1
sustained(adjective, constant, continuous, unyielding)
1
unchanging(adjective, severe, harsh, solid, certain)
0
abiding(adjective, certain, constant, reliable)
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APASmart Define. (2015). unrelenting thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unrelenting/thesaurus/synonyms
ChicagoSmart Define. 2015. "unrelenting thesaurus" https://smartdefine.org/unrelenting/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unrelenting thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unrelenting/thesaurus/synonyms>.
MLASmart Define. "unrelenting thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/unrelenting/thesaurus/synonyms>