2
severe(adjective, mean, harsh, violent, cruel)
2
subhuman
2
sullen(adjective, sorrow, depress, sadness, emotion)
2
terrible(adjective, strong, violent, brutal, ferocious)
2
unfeeling(adjective, mean, rough, harsh, cruel)
2
unforgiving(adjective, mean, harsh, cruel, vicious)
2
unmerciful(adjective, mean, harsh, violent, cruel)
2
virulent
1
dangerous(adjective, strong, violent, brutal, ferocious)
1
abandoned
1
abominable(adverb, low, base, coarse, vile)
1
adamant(adjective, mean, harsh, cruel, vicious)
1
amok
1
anthropophagous
1
baleful(adjective, sorrow, depress, sadness, emotion)
1
base(adjective, adverb, low, physical, coarse)
1
beetle-browed(adjective, sorrow, depress, sadness, emotion)
1
belligerent
1
bellowing
1
berserk
11 years ago|10k views|share |citing 
APASmart Define. (2015). feral thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/feral/thesaurus/synonyms
ChicagoSmart Define. 2015. "feral thesaurus" https://smartdefine.org/feral/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, feral thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/feral/thesaurus/synonyms>.
MLASmart Define. "feral thesaurus" 17 July 2015. Web. 26 September 2026. <https://smartdefine.org/feral/thesaurus/synonyms>