To fall together suddenly, as the sides of a hollow vessel; to close by falling or shrinking together; to have the sides or parts of (a thing) fall in together, or be crushed in together; as, a flue in the boiler of a steam engine sometimes collapses.
To fail suddenly and completely, like something hollow when subject to too much pressure; to undergo a collapse; as, Maximilian's government collapsed soon after the French army left Mexico; many financial projects collapse after attaining some success and importance.
A falling together suddenly, as of the sides of a hollow vessel.
To fall down or fall to pieces.
a mishap caused by something suddenly falling down or caving in
the act of throwing yourself down; "he landed on the bed with a great flop"
break down, literally or metaphorically; "The wall collapsed"; "The business collapsed"; "The dam broke"; "The roof collapsed"; "The wall gave in"; "The roof finally gave under the weight of the ice"
fall apart; "the building crimbled after the explosion"; "Negociations broke down"
cause to burst; "The ice broke the pipe"
To break down suddenly in strength or health and thereby cease to function.
To remove all levels of related items from below a selected item. In effect, to undo a drill-down. See: drill down.
Falling down — as when supports or sides fail to hold. Collapse can be caused by a number of perils such as fire or the weight of rain, ice or snow.
Collapse of a building and collapse of personal property within a building due to specified causes (such as weight of snow, ice or rain). Does not include collapse due to design error or due to faulty workmanship or materials if the collapse occurs after construction is complete.
Falling in of a building.