軽快|けいかいkeikai[0]heiban (flat)

JLPT N1approx.Common
Definitions
  1. na-adjective, nounlight (of movements); nimble; sprightly; springy
  2. na-adjective, nounlight-hearted; cheerful; buoyant; jaunty; casual (e.g. clothing); rhythmical (e.g. melody)
    リズムは軽快けいかいでテンポは速はやく、その曲きょくは若者わかものに好このまれている。↗
    The rhythm is light, and the tempo fast - that song is liked by young people.
  3. 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.

Synonyms & antonyms
  • 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

Japanese definitions
  1. (動作どうさが) 軽かるくて速はやいこと。
  2. 気持きもちが軽かろやかであること。
  3. 病気びょうきが回復かいふくすること。
  4. 軽かるくて速はやい。
  5. 気持きもちが軽かろやか。
  6. 病気びょうきが回復かいふくする。
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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