興奮・昂奮・亢奮|こうふんkoufun[0]heiban (flat)

JLPT N1approx.Common
Which spelling to use
興奮興奮 is the most common written form of this word and the recommended choice for beginners; use it when writing the word.
昂奮昂奮 is a kanji-only variant, but it is rarely used; learners will seldom need to choose it instead of 興奮.
亢奮亢奮 is a kanji-only variant, but it is rarely used; learners will seldom need to choose it instead of 興奮.
Definitions
  1. noun, suru verb, intransitive verbexcitement; stimulation; agitation; arousal
    観客かんきゃくは彼かれのホームランに興奮こうふんした。↗
    His home run excited the crowd.
Conjugation
Dictionary form興奮する(こうふんする)
Polite (masu)興奮します(こうふんします)
Negative (nai)興奮しない(こうふんしない)
polite (masen)興奮しません(こうふんしません)
classical zu / nu興奮せず・興奮せぬ(こうふんせず・こうふんせぬ)
Past (ta)興奮した(こうふんした)
polite (mashita)興奮しました(こうふんしました)
Past negative (nakatta)興奮しなかった(こうふんしなかった)
polite (masen deshita)興奮しませんでした(こうふんしませんでした)
Te form興奮して(こうふんして)
Potential興奮できる(こうふんできる)
Passive興奮される(こうふんされる)
Causative興奮させる(こうふんさせる)
Causative passive興奮させられる(こうふんさせられる)
Conditional (ba)興奮すれば(こうふんすれば)
tara興奮したら(こうふんしたら)
Volitional興奮しよう(こうふんしよう)
polite (mashou)興奮しましょう(こうふんしましょう)
Imperative興奮しろ(こうふんしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Related熱気ねっきNeutralRefers to the heated, excited atmosphere of a place (「会場の熱気」); the focus is on the crowd's mood, not one person's feelings.
  • Related熱狂ねっきょうNeutralMeans frenzy or wild enthusiasm (「ファンが熱狂する」); the emotion runs stronger than 「興奮」.
  • Related気勢きせいWrittenA written/formal word for fighting spirit or momentum (「気勢を上げる」); it mostly appears in set phrases.
  • Related熱血ねっけつNeutralMeans hot blood or burning zeal (「熱血漢」); it carries a bold, heroic flavor that 「興奮」 lacks.
  • Related意気込みいきごみNeutralRefers to one's drive or determination to do something (「意気込みを語る」); the emphasis is on resolve, not a rush of excitement.
  • Related情熱じょうねつNeutralMeans passion (「情熱を傾ける」); it stresses lasting devotion to something rather than a momentary surge of feeling.
  • Related熱意ねついNeutralRefers to zeal or earnestness (「熱意を示す」); it stresses the sincere wish to do something well.
  • Related活気かっきNeutralMeans liveliness or bustle (「活気のある町」); it describes a lively scene or place, not a person's inner excitement.
  • Related感動かんどうNeutralMeans being deeply moved (「感動の涙」); the feeling comes from being touched by something, not from agitation.
  • Related高ぶりたかぶりNeutralA noun for surging emotion or arrogance (「感情の高ぶり」); it leans written and is mostly used to describe inner states.
  • Antonym鎮静ちんせいNeutralRefers to calming emotions down or sedation; it stands opposite to 「興奮」.
  • Antonym冷静れいせいNeutralRefers to staying calm and composed; it stands opposite to 「興奮」.

Use 「興奮」 for emotions suddenly running high (「興奮して眠れない」「興奮気味」). For crowd frenzy say 「熱狂」, for a charged atmosphere 「熱気」, for being moved 「感動」. The opposites are 「冷静」 and 「鎮静」.

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

Japanese definitions
  1. 感情かんじょうが高たかぶること。
  2. 性的せいてきに高たかぶること。
  3. 刺激しげきを受うけて神経しんけいや肉体にくたいの組織そしき・器官きかんなどの活動かつどうが活発かっぱつになること。
Kanji in this word
English equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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