JLPT N1 Advanced
寝返る
To roll over in sleep or to betray one’s side.
Readings
Other forms
寝返ります polite form
寝返った plain past
寝返って te-form
寝返らない plain negative
1 Verb (Intransitive)
To roll over (in sleep)
Describes the physical action of turning one’s body over while lying down, typically during sleep.
Example
昨日 の 夜 、 暑く て 何度も 寝返った 。
It was hot last night, so I tossed and turned many times.
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2 Verb (Intransitive)
To betray / To switch sides
Refers to the act of abandoning one’s own group to join an opposing faction or enemy force.
Usage notes & examples
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