147 entries under vicious topic. ×

1
rapacious(adjective, harsh, violent, cruel)
1
ravening(adjective, harsh, violent, cruel)
1
revengeful(adjective, mean, evil, nasty, harsh)
1
rugged(adjective, tough, rough, difficult, unpleasant)
1
surly(adjective, mean, hard, tough, severe)
1
truculent(adjective, appearance, harsh, violent, terrible)
1
turbulent(adjective, violent, fierce, unrestrained)
1
unbroken(adjective, violent, fierce, persistent)
1
unprincipled(adjective, pitiless, ruthless)
1
unrestrained(adjective, violent, cruel, fierce)
1
vehement(adjective, violent, cruel, fierce)
1
voracious(adjective, violent, cruel, fierce)
1
wolfish(adjective, harsh, violent, cruel)
0
animal(adjective, cruel, fierce, brutal)
0
annoying(adjective, unpleasant, painful, distressing)
0
appalling(adjective, cruel)
0
calamitous(adjective, unpleasant, painful, distressing)
0
cannibalistic(adjective, cruel, brutal, cold-blooded)
0
coarse(adjective, rough, cruel, fierce)
0
competitive(adjective, fierce, pitiless, ruthless)
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APASmart Define. (2016). merciless thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/merciless/thesaurus/synonyms
ChicagoSmart Define. 2016. "merciless thesaurus" https://smartdefine.org/merciless/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, merciless thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/merciless/thesaurus/synonyms>.
MLASmart Define. "merciless thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/merciless/thesaurus/synonyms>