切る【きる】

The suffix きる切る (きる) attaches to the stem (masu-stem) of another verb to express that an action is carried out completely, thoroughly, or to the very end. It conveys the sense of finishing something entirely, with nothing left undone.

Completing an action fully

The most common use of ～切る is to indicate that something has been done all the way through – consumed entirely, used up, or finished without remainder.

Doing something resolutely / with conviction

～切る can also express that an action is carried out decisively or with strong resolve, suggesting determination or emotional intensity.

Reaching an extreme state

With certain verbs describing emotions or states, ～切る conveys that something has reached its absolute limit – often translated as "utterly" or "completely."

Negative form: ～切れない

The negative form きれない切れない is very common and means "cannot finish doing" or "cannot do completely." It implies the task is too large or overwhelming to complete.

切る conjugates as a regular godan (u-verb): 切る → 切ります → 切った → 切れない, etc.