GrammarN12 min read2026-02-17

〜べくもない

Expresses that something is utterly impossible. A stiff, literary expression.

Meaning

「べくもない」 means "cannot possibly do..." or "there is no way to...," expressing a sense of complete impossibility. This is a fairly stiff, written expression.

Commonly paired with these verbs:

  • 疑うべくもない → beyond doubt
  • 比べるべくもない → incomparable
  • 望むべくもない → beyond one's hopes
  • 知るべくもない → impossible to know

Formation

Part of speechFormation
Verb (dictionary form)べくもない
するすべくもない

Examples

  1. 彼がこのような偉大な賞を手に入れたこと、それは望むべくもない人生の幸運であった。
    That he received such a great award was a stroke of fortune in life that one could not have hoped for.

  2. どんな事情があったのかは知らないけれど、彼が万引きをしたのは、疑うべくもない事実である。
    I don't know the circumstances, but the fact that he shoplifted is beyond doubt.

  3. 20年前の医療事情は現代と比べるべくもない。
    The medical situation 20 years ago is incomparable to the present day.

Summary

  • 「〜べくもない」 expresses that something is utterly impossible
  • Commonly paired with 「疑う」「比べる」「望む」「知る」
  • A stiff, literary expression not used in casual speech

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