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n.
a natural event caused by something suddenly falling down or caving in; "the roof is in danger of collapse"; "the collapse of the old star under its own gravity"
n.
physical energy or intensity; "he hit with all the force he could muster"; "it was destroyed by the strength of the gale"; "a government has not the vitality and forcefulness of a living man"
n.
inability to discharge all your debts as they come due; "the company had to declare bankruptcy"; "fraudulent loans led to the failure of many banks"
n.
a natural event caused by something suddenly falling down or caving in; "the roof is in danger of collapse"; "the collapse of the old star under its own gravity"