3 entries under pitilessly topic. ×

9
cruelly(adverb, fiercely, violently, unkindly, viciously)
7
unfeelingly(adverb, harshly, cruelly, unkindly, indifferently)
5
hardheartedly(adverb, fiercely, cruelly, viciously, insensitively)
10 years ago|3.3k views|share |citing 
APASmart Define. (2016). heartlessly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/heartlessly/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartlessly thesaurus" https://smartdefine.org/heartlessly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, heartlessly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/heartlessly/thesaurus/synonyms>.
MLASmart Define. "heartlessly thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/heartlessly/thesaurus/synonyms>