81 entries under fierce topic. ×

4
hot(adjective, strong, keen, happy, difficult)
4
merciless(adjective, rough, violent, cruel, vicious)
4
monstrous(adjective, rude, violent, cruel, stupid)
4
powerful(adjective, strong, severe, harsh, intense)
4
terrible(adjective, strong, severe, intense, passionate)
3
ardent(adjective, strong, keen, difficult, intense)
3
atrocious(adjective, rude, violent, cruel, determined)
3
bloodthirsty(adjective, strong, severe, intense, violent)
3
fervid(adjective, strong, keen, difficult, intense)
3
flaming(adjective, strong, difficult, intense, violent)
3
pitiless(adjective, violent, cruel, vicious)
3
ruthless(adjective, rude, violent, cruel, vicious)
3
sanguinary(adjective, violent, cruel, vicious)
2
aggressive(adjective, severe, violent, cruel, vicious)
2
brute(adjective, harsh, physical, violent, natural)
2
heartless(adjective, rude, violent, cruel, vicious)
2
relentless(adjective, strong, severe, difficult, intense)
2
sadistic(adjective, rude, violent, cruel, vicious)
2
truculent(adjective, strong, severe, intense, rude)
2
unmerciful(adjective, violent, cruel, vicious)
10 years ago|58k views|share |citing 
APASmart Define. (2016). wild thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/wild/thesaurus/synonyms
ChicagoSmart Define. 2016. "wild thesaurus" https://smartdefine.org/wild/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, wild thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/wild/thesaurus/synonyms>.
MLASmart Define. "wild thesaurus" 15 March 2016. Web. 22 September 2026. <https://smartdefine.org/wild/thesaurus/synonyms>