〜に違いない ni chigainai
〜に違いない(ni chigainai)means “must be; I'm sure that; no doubt”. Expresses the speaker's strong conviction that something is surely the case, based on evidence or reasoning. Formation: V/Aい(普通形)+に違いない;Aな・N(+である)+に違いない
must be; I'm sure that; no doubt
N3Formation
V/Aい(普通形)+に違いない;Aな・N(+である)+に違いない
Explanation
Expresses the speaker's strong conviction that something is surely the case, based on evidence or reasoning. Much more certain than でしょう or かもしれない.
Examples
Note
Used for the speaker's own inference, not for stating objective facts. A more casual conversational equivalent is に決まっている.
FAQ
〜に違いない — what does it mean and how is it used?
must be; I'm sure that; no doubt. Expresses the speaker's strong conviction that something is surely the case, based on evidence or reasoning. Much more certain than でしょう or かもしれない.
〜に違いない — how do you form it?
V/Aい(普通形)+に違いない;Aな・N(+である)+に違いない
〜に違いない — any usage notes?
Used for the speaker's own inference, not for stating objective facts. A more casual conversational equivalent is に決まっている.