630 entries under adjective topic. ×

11
bestial(animal, mean, kind, evil)
11
homicidal(characteristic, cruel, vicious, grim)
11
pitiless(animal, mean, hard, tough)
11
strong(strong, severe, difficult, intense)
10
ardent(strong, keen, nasty, difficult)
10
cutthroat(mean, severe, harsh, violent)
10
impetuous(strong, severe, difficult, intense)
10
tumultuous(violent, confused)
9
extreme(strong, great, sharp, harsh)
9
frantic(harsh, intense, passionate, violent)
9
rough(hard, simple, harsh, violent)
9
terrible(strong, hard, great, severe)
9
uncontrollable(hard, severe, rough, harsh)
9
wicked(noun, mean, clear, bad)
8
awful(great, tough, violent, terrible)
8
dangerous(tough, difficult, violent, wicked)
8
exquisite(strong, great, sharp, harsh)
8
grim(animal, appearance, mean, hard)
8
impassioned(strong, keen, difficult, intense)
8
nasty(mean, bad, severe, offensive)
10 years ago|35k views|share |citing 
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>