JMdict: 2834021

物知らず 【ものしらず】

  1. [n,adj-no] stupidity; ignorance; stupid person; ignorant person
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
物 Thing, Object, Matter ブツ, モツ もの, もの- 3
知 Know, Wisdom チ し.る, し.らせる 2