From Middle English furious, from Old French furieus, from Latin furiōsus. Displaced native Old English hātheort (literally “hot-hearted”).

• (Received Pronunciation) IPA^(key): /ˈfjʊə.ɹɪəs/
• (General American) IPA^(key): /ˈfjʊɹ.i.əs/, /ˈfjɝ.i.əs/
• Hyphenation: fu‧ri‧ous

• Audio (US):

  (file)

• Rhymes: -ʊəɹiəs

furious (comparative more furious, superlative most furious)

1. Feeling great anger; raging; violent.

   a furious animal; parent furious at their child's behaviour

   • 1918, W[illiam] B[abington] Maxwell, chapter XXII, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, →OCLC:

     Not unnaturally, “Auntie” took this communication in bad part. Thus outraged, she showed herself to be a bold as well as a furious virago. Next day she found her way to their lodgings and tried to recover her ward by the hair of the head.

2. Rushing with impetuosity; moving with violence.

   a furious stream; a furious wind or storm

• furiose, furous, furyous, furyus

Borrowed from Old French furieus, from Latin furiōsus; equivalent to furie +‎ -ous.

• IPA^(key): /ˌfiu̯riˈuːs/, /ˈfiu̯rius/

furious

1. furious, raging
2. ferocious, frightening
3. extreme, severe
4. (rare) impetuous, hasty

• furiously

• English: furious

• “fūriǒus, adj.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.