JMdict: 1365280

親不知 【おやしらず】

  1. [n] wisdom tooth
  2. [n] not knowing who one's birth parents are; person who does not know their birth parents
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
親 Parent, Intimacy, Relative, Familiarity, Dealer (cards) シン おや, おや-, した.しい, した.しむ 2
不 Negative, Non-, Bad, Ugly, Clumsy フ, ブ 4
知 Know, Wisdom チ し.る, し.らせる 2