• IPA: /kəˈlæps/

collapse (collapses, present participle collapsing; past and past participle collapsed)

  1. (intransitive) To break apart and fall down suddenly; to cave in.
    • A balloon collapses when the gas escapes from it.
  2. (intransitive) To cease to function due to a sudden breakdown; to fail suddenly and completely.
    Pyramid schemes tend to generate profits for a while and then collapse.
  3. (intransitive) To fold compactly.
  4. (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.
  5. (cricket) For several batsmen to get out in quick succession
  6. (transitive) To cause something to collapse.
    Hurry up and collapse the tent so we can get moving.
  7. (intransitive) To pass out and fall to the floor or ground, as from exhaustion or other illness; to faint.
    The exhausted singer collapsed on stage and had to be taken to the hospital.
Translations Translations Translations Translations Translations
  • German: ohnmächtig niedersinken, ohnmächtig zusammensinken, kollabieren


  1. The act of collapsing.
  2. Constant function, one-valued function (in automata theory) (in particular application causing a reset).
Translations Translations

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