6 entries under indifferently topic. ×

8
callously(adverb, fiercely, cruelly, viciously)
7
unfeelingly(adverb, harshly, cruelly, unkindly)
4
coldly(adverb, deliberately, cruelly, unkindly)
3
insensitively(adverb, harshly, cruelly, coldly)
0
selfishly(adverb, unkindly, ungenerously)
0
uncaringly(adverb, cruelly, unkindly, coldly)
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APASmart Define. (2016). heartlessly thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heartlessly/thesaurus/synonyms
ChicagoSmart Define. 2016. "heartlessly thesaurus" https://smartdefine.org/heartlessly/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, heartlessly thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heartlessly/thesaurus/synonyms>.
MLASmart Define. "heartlessly thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/heartlessly/thesaurus/synonyms>