Meaning
〜に相違ない expresses that something is definitely true, accurate, or without error. This is a formal, written expression rarely used in casual conversation. It emphasizes that there is no contradiction or discrepancy between reality and what is stated. The pattern can follow verbs, i-adjectives, na-adjectives, and nouns in their plain forms.
Formation
| Part of speech | Formation |
|---|---|
| 動詞普通形 | に相違ない |
| い形容詞 | に相違ない |
| な形容詞 | に相違ない |
| 名詞 | に相違ない |
Examples
-
この写しは原本に相違ないことを証明します。
I certify that this copy matches the original without discrepancy. -
設計図に相違なく工事が行われる。
The construction work is being carried out exactly as per the design specifications. -
上記内容について、事実に相違ありません。
Regarding the above content, there is no discrepancy with the facts.
Summary
- Used to assert something is certain, accurate, or without error in a formal written context
- Common in official documents, certificates, and legal statements; avoided in daily conversation
- Can pair with 「ある/ありません」 to create 「〜に相違ありません」, a standard phrase in Japanese certification and proof documents