깨요 · 깼어요 · 깰 거예요 · 깨세요
to wake up; to sober up
Example
밖이 시끄러워서 새벽에 잠이 깼어요.
It was noisy outside, so I woke up at dawn.
Word parts
Homonym warning: another 깨다 means 'to break' (glass, eggs).
Good to know
깨다 is waking; 일어나다 is getting up, so you can 깨다 and still stay in bed.