10 entries under viciously topic. ×

11
cruelly(adverb, fiercely, violently, harshly, nastily)
8
heartlessly(adverb, cruel, fiercely, cruelly)
5
callously(adverb, fiercely, violently, cruelly, nastily)
5
inhumanly(adjective, adverb, cruel, fiercely, violently)
5
meanly(adverb, cruel, fiercely, violently, cruelly)
5
mercilessly(adverb, cruel, fiercely, violently, cruelly)
5
pitilessly(adverb, cruel, fiercely, violently, cruelly)
5
savagely(adverb, cruel, fiercely, violently, cruelly)
4
brutally(adverb, fiercely, violently, cruelly, nastily)
3
ruthlessly(adverb, fiercely, violently, cruelly, nastily)
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APASmart Define. (2016). unkindly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unkindly/thesaurus/synonyms
ChicagoSmart Define. 2016. "unkindly thesaurus" https://smartdefine.org/unkindly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, unkindly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unkindly/thesaurus/synonyms>.
MLASmart Define. "unkindly thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/unkindly/thesaurus/synonyms>