How to say "faint" in Japanese

Choosing the right word
  • かすかJLPT N1approx.Common
    na-adjectiveCovers the sense of faint as dim or weak — a faint light, sound, smell, or hope. Suggests something barely perceptible, and is the most general everyday choice for this sensory meaning.
    すぐそばでかすかな音おとがした。↗
    I heard a faint sound nearby.
  • 気絶きぜつCommon
    noun, suru verb, intransitive verbMeans fainting — briefly losing consciousness. This is the word for the verb sense 'to faint' in the medical or everyday sense; it has nothing to do with faint light, sounds, or colors.
    その暑あつさで気絶きぜつして、気きがついたら救命きゅうめいいかだの中なかにいた。↗
    I fainted from the heat, and when I came to, I was in a life raft.
  • ほのかCommon
    na-adjectiveDescribes something faint and indistinct, sensed vaguely — a faint fragrance, glow, or memory. It carries a soft, hazy nuance, weaker and more diffuse than かすか.
    ほのかな光ひかりが俺おれのねじれた視界しかいを幻影げんえいに変かえてゆく。↗
    Light shines on my sigh of doubt.
  • 淡いあわいCommon
    i-adjectiveUsed for faint or pale colors, and figuratively for faint, fleeting feelings such as faint hope or a faint longing. Best when the emphasis is on paleness or delicate, transient emotion.
    本気ほんきで似合にあうと思おもっていたらしいシャツは辞退じたいし、淡あわいブルーのポロシャツをいただくことにした。↗
    The shirt she apparently seriously thought suited me I turned down and decided to accept a light blue polo shirt.
  • 微弱びじゃくCommon
    na-adjective, nounMeans faint in the sense of feeble or weak, typically for faint signals, weak light or breathing, or feeble strength. It has a somewhat formal or technical flavor compared with かすか.

Use 「かすか」 or 「ほのか」 for faint sounds, light, smells, or shapes; 「淡い」 for pale colors and faint feelings; 微弱 for weak signals or strength; 気絶 only for fainting, losing consciousness.

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

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

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