꺼져요 · 꺼졌어요 · 꺼질 거예요 · 꺼지는 (+noun)
to go off, to turn off, to go out (light, fire); to die (battery)
Example
배터리가 없어서 핸드폰이 갑자기 꺼졌어요.
My phone suddenly died because the battery ran out.
Word parts
끄다 'to turn off' + -어지다 'become'; the ㅡ drops.
Good to know
Careful: 꺼져! said to a person is a rude 'Get lost!'
Related words