furious

Furious, a.

Etymology: [L. furiosus, fr. furia rage, fury: cf. F. furieux. See Fury.]

1. Transported with passion or fury; raging; violent; as, a furious animal.

2. Rushing with impetuosity; moving with violence; as, a furious stream; a furious wind or storm.

Syn. -- Impetuous; vehement; boisterous; fierce; turbulent; tumultuous; angry; mad; frantic; frenzied. -- Fu"ri*ous*ly, adv. -- Fu"ri*ous*ness, n.

Shades of meaning

Fernald has no entry of its own for furious; he lists it under fierce.

Where he writes about it:

Fierce signifies having a furious and cruel nature, or being in a furious and cruel mood, more commonly the latter. — from fierce