Exceedingly violent, severe, ferocious, cruel or savage. / Resolute or strenuously active. / Threatening in appearance or demeanor. / (slang, Ireland, rural) Excellent, very good.

(slang, Ireland, rural) Extremely; very.

In a fierce manner. / extremely; to a large degree

The state of being fierce.

plural of fierceness

(degree, colloquial) To an extreme extent; badly, violently.

A highly venomous snake, Oxyuranus microlepidotus.

plural of fierce snake

superlative form of fierce: most fierce.

comparative form of fierce: more fierce