noun
mishearing; hearing incorrectly
Refers to the act or instance of hearing something incorrectly, often leading to misunderstanding.
それは聞き違いだった。
That was a mishearing.
聞き違いで約束の時間を間違えた。
I got the appointment time wrong due to a mishearing.
聞き間違い is a more common synonym with the same meaning; 聞き違い is slightly less frequent but equally correct.
Compound of 聞き (stem of 聞く 'to hear') and 違い ('difference, mistake').