How to say "constantly" in Japanese

Choosing the right word
  • しょっちゅうJLPT N1approx.Common
    adverbCovers the frequent, 'all the time' sense of constantly in casual speech. It suggests something happens repeatedly, often with a mild complaint tone, as in a shop that is constantly busy.
    そのような事ことはしょっちゅう起おこる。↗
    Such a thing occurs frequently.
  • 絶えずたえずJLPT N2approx.Common
    adverbBest for 'constantly' meaning without interruption or pause. Use it for something continuing steadily without a break, such as change, rain, or effort that never stops.
    彼かれらは絶たえずけんかばかりしていた。↗
    They were constantly quarreling.
  • 常につねにJLPT N3approx.Common
    adverbCovers 'constantly' as 'at all times, habitually', often in written or formal style. It suits describing a state or attitude maintained at all times, such as staying constantly aware of safety.
    常つねに疲労感ひろうかんがあります。↗
    I always have a tired feeling.
  • 日夜にちやJLPT N1approx.Common
    adverb, nounMeans 'day and night, around the clock', so it fits 'constantly' only when continuous activity literally spans day and night, such as working or training without rest toward a goal.
    看護婦かんごふたちは、日夜にちや患者かんじゃの世話せわをしている。↗
    The nurses attend to the patient day and night.
  • しきりにJLPT N3approx.Common
    adverbIts core sense is 'frequently, repeatedly, incessantly', so it fits 'constantly' only in that repeated-action sense, such as constantly urging or asking someone; it is usually written in kana.

Choose 「しょっちゅう」 for colloquial frequency, 「絶えず」 for uninterrupted continuity, 「常に」 for habitual consistency, 日夜 for day-and-night effort, and 「しきりに」 mainly for repeated, incessant activity.

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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