99 entries under fierce topic. ×

1
feral(adjective, harsh, violent, wild, cruel)
1
flaring(adjective, intense, violent, hot)
1
frightful(adjective, violent, cruel, vicious)
1
grim(adjective, violent, cruel, vicious)
1
hasty(violent, ardent, impulsive, rash)
1
hot-blooded(intense, violent, hot, spirited)
1
hot-headed(adjective, intense, violent, hot)
1
hot-tempered(adjective, intense, violent, hot)
1
igneous(adjective, intense, violent, hot)
1
ignited(adjective, intense, violent, hot)
1
implacable(adjective, violent, cruel, vicious)
1
in flames(expression, adjective, intense, violent, hot)
1
infernal(adjective, complete, total, violent, vicious)
1
inflamed(adjective, intense, passionate, violent, cruel)
1
inhuman(adjective, violent, cruel, vicious)
1
inhumane(adjective, violent, cruel, vicious)
1
irascible(adjective, intense, violent, hot)
1
irritable(adjective, intense, violent, hot)
1
lupine(adjective, harsh, violent, wild, cruel)
1
madcap(adjective, rough, intense, violent, foolish)
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APASmart Define. (2016). unrestrained thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unrestrained/thesaurus/synonyms
ChicagoSmart Define. 2016. "unrestrained thesaurus" https://smartdefine.org/unrestrained/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unrestrained thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unrestrained/thesaurus/synonyms>.
MLASmart Define. "unrestrained thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unrestrained/thesaurus/synonyms>