This meaning shows that something has burst open or exploded. It is often about tires, balloons, or other things under pressure.
The tire is blown and needs fixing.
The balloon is blown and now flat.
When an engine or machine part is 'blown', it means it is broken or no longer works because of a problem.
The blown engine needs a new part.
He has a blown fuse in his car.
This is the past participle form of the verb 'blow', which means to move air or produce air movement.
He has blown out all the candles.
The wind has blown the papers off.
This use means something is spoiled or failed, often because of a problem or mistake.
The game was blown by the bad weather.
Our plans were blown at the last moment.
In scuba diving and medicine, 'blown' describes swelling or damage caused by trapped air or pressure in the body.
He had a blown lung after the dive.
Divers can suffer blown ears due to pressure.