欠かく

godan verb (-ku), transitive verb

lack; be missing

Used for abstract qualities, conditions, or necessary elements that are absent or insufficient. Common in patterns like ～を欠く, ～に欠ける (intransitive counterpart), and ～を欠かさない.

• 彼かれの説せつ明めいは説せっ得とく力りょくを欠かいている。

  His explanation lacks persuasiveness.

• 常じょう識しきを欠かいた行こう動どうは避さけるべきだ。

  You should avoid actions that lack common sense.