45 entries under persistent topic. ×

1
unappeasable(adjective, harsh, cruel, determined, fierce)
1
unfaltering(adjective, intense, energetic, deliberate, determined)
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unforgiving(adjective, harsh, cruel, determined, fierce)
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unrelenting(adjective, harsh, cruel, determined, fierce)
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vindictive(adjective, harsh, cruel, determined, fierce)
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APASmart Define. (2015). dead set on thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/dead_set_on/thesaurus/synonyms
ChicagoSmart Define. 2015. "dead set on thesaurus" https://smartdefine.org/dead_set_on/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, dead set on thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dead_set_on/thesaurus/synonyms>.
MLASmart Define. "dead set on thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/dead_set_on/thesaurus/synonyms>