0 present participle of collapse
1 to fall down suddenly because of pressure or having no strength or support:
2 (of people and business) to suddenly be unable to continue or work correctly:
It looks as if the whole political edifice of the country is about to collapse.
I should think you're about ready to collapse after all that walking.
The building's foundations are rather shaky, and it could collapse at any time.
At the end of the race his legs gave out and he collapsed on the ground.
The company is staggering under a $15 million debt and will almost certainly collapse by the end of the year.
Things have gone badly for him since his business collapsed.
All charges against them were withdrawn after the prosecution's case collapsed.