間違(まちが)いない

まちがいない
expression
certain; no doubt; unmistakable
cognition
1. certain; no doubt; unmistakable; for sure
An expression used to assert certainty about something. Literally means 'there is no mistake.' Used to confirm facts or express strong conviction.
これは本物(ほんもの)に間違(まちが)いない。
This is definitely the real thing.
彼(かれ)が犯人(はんにん)に間違(まちが)いないと思(おも)う。
I think he is without a doubt the culprit.
あの店(みせ)のラーメンは間違(まちが)いなく美味(おい)しいから、一度(いちど)行(い)ってみて。
The ramen at that shop is definitely delicious, so try going there once.

Usage

間違(まちが)いない is used in two main patterns:
1. Noun + に間違(まちが)いない — asserting that something is certainly X
2. 間違(まちが)いなく + predicate — used as an adverb meaning "definitely" or "certainly"

The expression can follow verbs and adjectives in plain form, or nouns with に.

Common patterns

  • …に間違(まちが)いない (it is certainly…)
  • 間違(まちが)いなく (definitely, certainly — adverbial form)

Similar words

Related Words

Compare: 確(たし)かに ("certainly")
Compare: きっと ("surely")
Compare: 疑(うたが)いない ("beyond doubt")
Compare: 確実(かくじつ) (certain, reliable)
Related: 間違(まちが)う (to make a mistake, to be wrong)
general
Added 2026.3.19 13:19 · Revised 2026.9.2 13:01
17500/17813_machigainai