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Grammar › N1 · 10 Obligation and prohibition

〜べからざる: that must not be

N1 · 10 Obligation and prohibition

Describes something that must never be done or is not allowed, before a noun.

Dictionary form of a verb + べからざる + noun: 許すべからざる行為, 欠くべからざる存在. The set phrase 欠くべからざる means indispensable. Formal. Compare 〜まじき, which is for behavior that does not fit a role.

Examples

His act is an unforgivable betrayal.

Water is something indispensable to life.

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