What does burnt out mean?
burnt out
Definition
No longer giving light because the bulb has died.
Example sentences
Both bulbs in the hallway are burnt out and nobody's replaced them.
Both bulbs in the hallway are burnt out and nobody's replaced them.
I flicked the switch and nothing — burnt out again.
The table lamp by my bed is burnt out, so I've been reading with my phone's torch.
The table lamp by my bed is burnt out, so I've been reading with my phone's torch.