62 entries under adverb topic. ×

4
in cold blood(cruel, fiercely, violently, cruelly)
4
unfeelingly(ruthlessly, mercilessly)
4
unrelentingly(fiercely, violently, cruelly, viciously)
4
unsympathetically(ruthlessly, mercilessly)
3
atrociously(fiercely, violently, cruelly, viciously)
3
barbarically(fiercely, violently, cruelly, viciously)
3
harshly
3
unchristianly(cruel, in awful way, evil way)
3
vengefully(cruel, in awful way, evil way)
2
barbarously(fiercely, violently, cruelly, viciously)
2
brutishly(fiercely, violently, cruelly, viciously)
2
demoniacally(fiercely, violently, cruelly, viciously)
2
diabolically(fiercely, violently, cruelly, viciously)
2
ferally(fiercely, violently, cruelly, viciously)
2
fiercely(violently, cruelly, viciously, persistently)
2
something fierce(fiercely, violently, cruelly, viciously)
2
stonily
2
unpityingly
2
without remorse(fiercely, violently, cruelly, viciously)
1
bloodthirstily
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APASmart Define. (2016). pitilessly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pitilessly/thesaurus/synonyms
ChicagoSmart Define. 2016. "pitilessly thesaurus" https://smartdefine.org/pitilessly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, pitilessly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pitilessly/thesaurus/synonyms>.
MLASmart Define. "pitilessly thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/pitilessly/thesaurus/synonyms>