Meaning of “furious” - Learner’s Dictionary

furious

adjective uk us /ˈfjʊəriəs/
ANGRY

B2 extremely angry:

He's furious at the way he's been treated.
My boss was furious with me.
ENERGETIC

very energetic or fast:

a furious attack
furiously adverb

(Definition of “furious” from the Cambridge Learner’s Dictionary © Cambridge University Press)