collapsed

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1.if a building or other structure collapses, it suddenly falls down

2.to suddenly fail or stop existing

3.to suddenly fall down and become very sick or unconscious; to let your body fall onto a chair, bed, etc. because you are very tired

4.an object that collapses can be folded or separated into parts, so that it takes up less space; to fold something, or to separate its parts, so that it takes up less space

5.to lose the air that is inside and become flat, or to make this happen

6.if you collapse into laughter, you start laughing in an uncontrolled way

1.a situation in which something fails or stops existing

2.an occasion when a building or other structure falls down

3.an occasion when someone falls down and becomes very sick or unconscious

4.a sudden fall in the value or level of something