Flop
Part of speech: verb
Definition: To fall heavily, because lacking energy. To fail completely, not to be successful at all (about a movie, play, book, song etc.).
Part of speech: adverb
Definition: Right, squarely, flat-out. With a flopping sound.
Part of speech: noun
Definition: An incident of a certain type of fall; a plopping down. A complete failure, especially in the entertainment industry. The first three cards turned face-up by the dealer in a community card poker game. A place to stay, sleep or live. See flophouse A ponded package of dung, as in a cow-flop. A unit of measure of processor speed, being one floating-point operation per second.
Example sentence: You could become an overnight star in Bollywood with just single hit, but your fate would change with a single flop. That's why I do not derive satisfaction however much name I earn for myself in Bollywood.
Collapse
Part of speech: verb
Definition: To fall down suddenly; to cave inTo cease to function due to a sudden breakdownTo fold compactlyFor several batsmen to get out in quick successionTo cause something to collapse.
Part of speech: noun
Definition: The act of collapsingConstant function, one-valued function (in automata theory) (in particular application causing a reset)
Example sentence: We should not be waiting until trains derail, bridges collapse and people die to adequately fund our transportation infrastructure.