108 entries under fierce topic. ×

32
cruel(adjective, person, mean, hard, severe)
26
brutal(adjective, person, mean, severe, evil)
21
merciless(adjective, mean, hard, tough, severe)
20
barbaric(adjective, animal, person, mean, rude)
18
malevolent(adjective, person, mean, evil, nasty)
17
inhuman(adjective, animal, person, mean, hard)
17
malicious(adjective, animal, person, mean, evil)
16
pitiless(adjective, animal, person, mean, hard)
16
ruthless(adjective, animal, mean, hard, tough)
16
unfeeling(adjective, animal, person, mean, severe)
14
savage(adjective, animal, mean, hard, tough)
13
barbarous(adjective, animal, mean, hard, tough)
13
cold-blooded(adjective, person, mean, hard, evil)
10
hard(adjective, person, mean, tough, severe)
10
heartless(adjective, mean, hard, severe, evil)
9
hateful(adjective, animal, person, mean, evil)
9
insensitive(adjective, mean, hard, tough, harsh)
9
unmerciful(adjective, mean, hard, tough, severe)
8
grim(adjective, animal, person, mean, hard)
8
sadistic(adjective, person, mean, evil, nasty)
10 years ago|9.6k views|share |citing 
APASmart Define. (2016). inhumane thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/inhumane/thesaurus/synonyms
ChicagoSmart Define. 2016. "inhumane thesaurus" https://smartdefine.org/inhumane/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, inhumane thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/inhumane/thesaurus/synonyms>.
MLASmart Define. "inhumane thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/inhumane/thesaurus/synonyms>