失しっ考こう

noun

misunderstanding; mistaken idea

Refers to a misunderstanding or erroneous belief, often used in formal or written contexts. Not a common everyday word.

• それは大おおきな失しっ考こうだった。

  That was a serious misunderstanding.

• 彼かれの説せつ明めいで失しっ考こうが解とけた。

  His explanation cleared up the misunderstanding.