軽快|けいかいkeikai[0]heiban (flat)
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- na-adjective, nounlight (of movements); nimble; sprightly; springy
- na-adjective, nounlight-hearted; cheerful; buoyant; jaunty; casual (e.g. clothing); rhythmical (e.g. melody)
- noun, suru verb, intransitive verbtaking a turn for the better (of an illness); receding of symptoms; recovery; convalescence
Conjugation
| Dictionary form | 軽快する(けいかいする) |
|---|---|
| Polite (masu) | 軽快します(けいかいします) |
| Negative (nai) | 軽快しない(けいかいしない) |
| polite (masen) | 軽快しません(けいかいしません) |
| classical zu / nu | 軽快せず・軽快せぬ(けいかいせず・けいかいせぬ) |
| Past (ta) | 軽快した(けいかいした) |
| polite (mashita) | 軽快しました(けいかいしました) |
| Past negative (nakatta) | 軽快しなかった(けいかいしなかった) |
| polite (masen deshita) | 軽快しませんでした(けいかいしませんでした) |
| Te form | 軽快して(けいかいして) |
| Potential | 軽快できる(けいかいできる) |
| Passive | 軽快される(けいかいされる) |
| Causative | 軽快させる(けいかいさせる) |
| Causative passive | 軽快させられる(けいかいさせられる) |
| Conditional (ba) | 軽快すれば(けいかいすれば) |
| tara | 軽快したら(けいかいしたら) |
| Volitional | 軽快しよう(けいかいしよう) |
| polite (mashou) | 軽快しましょう(けいかいしましょう) |
| Imperative | 軽快しろ(けいかいしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym軽やかかろやかNeutralLight and graceful movements or sounds, as in 「軽やかな足取り」; more sensory in feel. 軽快 also covers brisk rhythm in music or recovery from illness.
- Synonym身軽みがるNeutralAbout physical agility, or being lightly equipped and unencumbered—casual clothes, little luggage. 軽快 focuses on light, brisk movement and rhythm.
- Related快活かいかつWrittenA written word for a cheerful, lively personality. 軽快 mostly describes light movement or rhythm, though it can also cover mood.
- Related朗らかほがらかNeutralDescribes an open, sunny personality or a carefree mood. 軽快 leans toward lightness in movement or melody.
- RelatedリズミカルNeutralA loanword for something strongly rhythmic, with a steady beat. 軽快 stresses lightness and briskness, not necessarily rhythm.
- Related軽妙けいみょうWrittenFor talk or writing that is light and witty, as in 「軽妙な語り口」. 軽快 focuses on light movement and rhythm.
- Related律動的りつどうてきWrittenWritten word for regular, repeated movement rich in rhythm. 軽快 emphasizes lightness and briskness.
- Antonym重厚じゅうこうWrittenDignified, weighty and composed—the opposite of the lightness and agility of 軽快.
- Antonym鈍重どんじゅうWrittenSluggish in movement and slow to react—the opposite of the nimble lightness of 軽快.
Use 「軽快」 for light, brisk movement or rhythm; in a medical context it can also mean that an illness or its symptoms ease. For graceful, airy lightness pick 「軽やか」; for physical agility or traveling light, 「身軽」; for witty talk or writing, 「軽妙」. 「快活」 and 「朗らか」 describe cheerful personalities, 「リズミカル」 and 「律動的」 stress rhythm, and 「重厚」/「鈍重」 are the opposites.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


