JMdict: 2671560

欠くべからざる 【かくべからざる】

  1. [exp,adj-pn] indispensable; essential; necessary
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
欠 Lack, Gap, Fail, Yawning Radical (no. 76) ケツ, ケン か.ける, か.く