まちが 間違いなし LinksSentence search for 間違いなしSentence search for まちがいなしSentence search for 間違い無しKanji details for 間 and 違Edit in JMdict Expressions (phrases, clauses, etc.)1. certain; sure; no doubtSee also 間違いない, See also 間違いなくまいにち毎日たいしょく大食していると、ブクブクふと太りす過ぎることまちが間違いなし。If you pig out every day, you're sure to gain too much weight.Other forms間違い無し 【まちがいなし】 Discussions Log in to talk about this word.