What does 音痴 mean?
音痴 is a Japanese noun meaning “tone deafness; amusia; having no ear for music” in English. It can also be translated as “having no sense of (e.g. direction)” depending on context. It is written as 音痴 in kanji, おんち in hiragana, and onchi in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
あいつ、自分が音痴だってこと知らないんだよ。
He doesn't realise that he's tone deaf.