3 entries under mercilessly topic. ×

3
unsympathetically(adverb, cruelly, insensitively, pitilessly, ruthlessly)
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cold-bloodedly(adverb, cruelly, coldly, pitilessly, ruthlessly)
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cold-heartedly(adverb, cruelly, coldly, relentlessly, pitilessly)
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APASmart Define. (2016). callously thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/callously/thesaurus/synonyms
ChicagoSmart Define. 2016. "callously thesaurus" https://smartdefine.org/callously/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, callously thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/callously/thesaurus/synonyms>.
MLASmart Define. "callously thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/callously/thesaurus/synonyms>