How to say "furious" in Japanese

• 激しいはげしいJLPT N3approx.Common
  i-adjectiveThe common, all-purpose choice: covers 'furious' in the sense of violent or tempestuous intensity, such as a furious storm, battle, or activity. This is usually the word learners want.
• 獅子奮迅ししふんじん
  no-adjectiveA four-character idiom for furious, frenzied energy or effort, as in battle or energetic work. It describes vigorous, unstoppable activity rather than anger, and is less common than everyday vocabulary.
  今回こんかいの成果せいかはひとえに彼かれの獅子しし奮迅ふんじんの働はたらきの賜物たまものでしょう。↗

  Our latest results are the fruit of his furious efforts.
• 怒髪天どはつてん
  nounDescribes someone who is furious or infuriated, literally with rage reaching the heavens. It expresses intense anger at a person or event, but it is uncommon and largely literary in flavor.
• 嚇怒かくど
  noun, suru verb, intransitive verbMeans being greatly enraged — furious in the pure anger sense, at the level of fury or wrath. It is a rare, written-style word and is seldom what learners want in ordinary conversation.
• カンカン
  na-adjective, adverb (with と)A mimetic expression for being extremely angry or furious, as in someone fuming with rage. It suits spoken, everyday descriptions of visible anger rather than violent intensity or battle fury.
  部長ぶちょうカンカンになって怒おこってたぞ。お前まえ何なんをしたんだよ。↗

  The section chief was really livid. What did you do?

Use 「激しい」 for violent intensity in general, 獅子奮迅 for frenzied energy or battle, and 怒髪天, 嚇怒, or 「カンカン」 for furious anger, with 「カンカン」 being the everyday colloquial choice.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 激しいはげしいviolent
• 獅子奮迅ししふんじんfurious (energy, battle, etc.)
• 怒髪天どはつてんfurious
• 嚇怒かくどgreatly enraged
• かんかんextremely angry
• 憤ろしいいきどおろしいinfuriating