What does 間違い mean?
間違い is a Japanese adjective meaning “mistake” in English. It can also be translated as “accident, improper conduct (e.g. between man and woman)” depending on context. It is written as 間違い in kanji, まちがい in hiragana, and machigai in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
この本は間違いだらけだ。
This book is full of mistakes.