104 entries under merciless topic. ×

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surly(adjective, mean, harsh, cruel, vicious)
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ungrudging(harsh, cruel, ruthless)
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virulent(adjective, evil, nasty, harsh, vicious)
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without pity(expression, adjective, mean, harsh, cruel)
11 years ago|18k views|share |citing 
APASmart Define. (2015). relentless thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/relentless/thesaurus/synonyms
ChicagoSmart Define. 2015. "relentless thesaurus" https://smartdefine.org/relentless/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, relentless thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/relentless/thesaurus/synonyms>.
MLASmart Define. "relentless thesaurus" 24 June 2015. Web. 30 September 2026. <https://smartdefine.org/relentless/thesaurus/synonyms>