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JLPT N4 Grammar

に違いない

N4Intention / Invitation

N4 · Intention / Invitation · noun/verb/adjective + に違いない

must be; no doubt

noun/verb/adjective + に違いない

に違いない expresses the speaker's strong judgment that something must be true.

It is much more certain than かもしれない.

彼の表情を見ると、いい知らせがあったに違いありません。

Judging from his expression, there must have been good news.

Do not use に違いない without evidence; it can sound assertive.

違いない means 'there is no mistake.'

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These entries share the same written form, but the level, structure, or grammar scene differs. Learn them separately.

N3 · Other · plain form + に違いない

must; surely

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