Synonyms: cave in, subsidence
Definition: the sudden collapse of something into a hollow beneath it
Similar words: collapse
Definition: a natural event caused by something suddenly falling down or caving in
Usage: the roof is in danger of collapse; the collapse of the old star under its own gravity
Synonyms: founder, fall in, break, cave in, collapse, give, give way
Definition: break down, literally or metaphorically
Usage: 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
Similar words: change
Definition: undergo a change; become different in essence; losing one's or its original nature
Usage: She changed completely as she grew older; The weather changed last night