105 entries under adverb topic. ×

-1
selfishly(unkindly, indifferently, ungenerously)
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uncaringly(cruelly, unkindly, indifferently, coldly)
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unkindheartedly
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unrelentingly
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unyieldingly
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APASmart Define. (2016). callously thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/callously/thesaurus/synonyms
ChicagoSmart Define. 2016. "callously thesaurus" https://smartdefine.org/callously/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, callously thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/callously/thesaurus/synonyms>.
MLASmart Define. "callously thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/callously/thesaurus/synonyms>