: to break apart and fall down suddenly
: to fall down or become unconscious because you are sick or exhausted
: to completely relax the muscles of your body because you are very tired, upset, etc.
: a situation or occurrence in which something (such as a bridge, building, etc.) suddenly breaks apart and falls down
: a situation or occurrence in which someone suddenly falls down or becomes unconscious because of being sick or exhausted
: a situation or occurrence in which something (such as a system or organization) suddenly fails : a complete failure or breakdown
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