To Collapse (intransitive) To Break Apart and falldown suddenly; to cave in. (intransitive) To cease to function due to a sudden breakdown; to fail suddenly and completely. (intransitive) To fold compactly. (transitive) (Computing) To hide additional directory (folder) levels below the selected directory (folder) levels. When a folder contains no additional folders, a minus sign (-) appears next to the folder. (cricket) For several batsmen To Get Out in quick succession (transitive) To cause something to collapse. (intransitive) To pass out and fall to the floor or ground, as from exhaustion or other illness; to faint.