218 entries under vicious topic. ×

13
merciless(adjective, mean, hard, tough, evil)
13
passionate(adjective, strong, severe, keen, intense)
13
powerful(adjective, strong, great, severe, sharp)
13
raging(adjective, severe, harsh, intense, passionate)
13
ruthless(adjective, animal, mean, hard, tough)
12
bitter(adjective, strong, great, evil, sharp)
12
barbaric(adjective, animal, mean, simple, violent)
12
frenzied(adjective, strong, difficult, intense, violent)
12
relentless(adjective, animal, mean, hard, tough)
12
untamed(adjective, simple, severe, violent, wild)
11
bestial(adjective, animal, mean, kind, evil)
11
homicidal(adjective, characteristic, cruel, grim)
11
pitiless(adjective, animal, mean, hard, tough)
11
strong(adjective, strong, severe, difficult, intense)
10
cutthroat(adjective, mean, severe, harsh, violent)
10
impetuous(adjective, strong, severe, difficult, intense)
9
frantic(adjective, harsh, intense, passionate, violent)
9
rough(adjective, hard, simple, harsh, violent)
9
uncontrollable(adjective, hard, severe, rough, harsh)
9
wicked(noun, adjective, mean, clear, bad)
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APASmart Define. (2016). fierce thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fierce/thesaurus/synonyms
ChicagoSmart Define. 2016. "fierce thesaurus" https://smartdefine.org/fierce/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, fierce thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fierce/thesaurus/synonyms>.
MLASmart Define. "fierce thesaurus" 28 March 2016. Web. 24 September 2026. <https://smartdefine.org/fierce/thesaurus/synonyms>