気勢|きせいkisei[0]heiban (flat)

1. nounfervour; fervor; vigour; vigor; ardour; ardor; spirit
   すっかり春奈はるなのお天気てんきモードのおかげで香こうの気勢きせいが殺そげているな。↗

   Thanks to Haruna's "weather mode" Kaori's fervour was greatly dampened.

• Synonym意気込みいきごみNeutralDetermination and drive felt before starting something; 「気勢」 is the high spirits you outwardly show, as in 「気勢を上げる」.
• Synonym意気いきWrittenSpirit or fighting spirit, mostly in 「意気揚々」; points to the inner state itself, while 「気勢」 stresses the outward show of momentum.
• Synonym活力かつりょくNeutralThe driving force behind activity, as in 「経済の活力」; stresses vitality, not a momentary surge of spirits.
• Synonym気込みきごみWrittenWritten-style word for the enthusiasm to do something; rare, and means the same as 「意気込み」, which is the usual everyday choice.
• Related興奮こうふんNeutralExcitement or agitation; stresses heightened emotion and need not involve fighting spirit or momentum, which is what 「気勢」 centres on.
• Related熱血ねっけつNeutralHot-blooded passion, often describing young people's fervour as a personality trait; 「気勢」 is a surge of spirits at a given moment.
• Related熱心ねっしんNeutralZeal and earnestness; measures how devotedly someone works, not the spirits shown to others, and it also works as a na-adjective.
• Related情熱じょうねつNeutralPassion for something felt inside, not the clamour of rallying spirits; it tends to last longer than 「気勢」.
• Related熱意ねついNeutralEarnest zeal, as in 「熱意を示す」; stresses a sincere, committed attitude and says nothing about how much momentum one shows.
• Related熱気ねっきNeutralThe heated, buzzing atmosphere of a place (or literally hot air); about ambience, not fighting spirit, which is the heart of 「気勢」.
• Related熱情ねつじょうWrittenWritten-style word for burning passion, stressing emotional involvement rather than momentum; say 「情熱」 or 「熱意」 in daily life.
• Related元気げんきNeutralEveryday word for being lively and energetic, and for good health; the most common of these words, with no sense of fighting spirit.
• Related活気かっきNeutralLiveliness and bustle, typically of places or the economy, as in 「活気のある町」; not about fighting spirit.
• Related気力きりょくNeutralWillpower to endure hardship and see things through; 「気勢」 is a temporary surge of high spirits rather than lasting inner strength.
• Related熱狂ねっきょうNeutralFrenzied excitement from being moved, as in 「熱狂的なファン」; stronger emotion than 「気勢」, and fits individuals or crowds.
• Related熱烈ねつれつNeutralNa-adjective for ardent warmth, as in 「熱烈な歓迎」; describes an attitude, whereas 「気勢」 is a noun for momentum.
• Related精力せいりょくNeutralPhysical and mental energy, and by extension sexual potency; about stamina, not the display of high spirits.
• Related生気せいきWrittenWritten word for vitality and life, as in 「生気のない顔」; stresses the life force in a person or thing.
• Related熱中ねっちゅうNeutralBeing absorbed in something, as in 「ゲームに熱中する」; about immersion and devotion, not fighting spirit or momentum.
• Related血気けっきWrittenWritten word for the impetuous vigour of youth, with a hint of recklessness; 「気勢」 carries no such rash connotation.
• Related高ぶりたかぶりNeutralSurging emotion, and also arrogance; centres on inner agitation, while 「気勢」 is about the outward display of high spirits.
• Antonym落胆らくたんNeutralAntonym: being discouraged and deflated, as in 「結果に落胆する」; the low-spirits counterpart to 「気勢」.
• Antonym消沈しょうちんWrittenAntonym in written style: spirits and energy sinking, often as 「意気消沈」; the opposite mental state to 「気勢」.

Use 「気勢」 for high, outwardly shown spirits, as in 「気勢を上げる」. For drive before starting, say 「意気込み」; for a lively, bustling mood, 「活気」; for the heated atmosphere of a scene, 「熱気」. The other words cover inner passion (「情熱」, 「熱意」), energy (「元気」, 「活力」, 「気力」) and more. The opposites are 「消沈」 and 「落胆」.

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

1. 意気いき込こんでいる気持きもち。