shut down

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See also: shutdown



shut down (third-person singular simple present shuts down, present participle shutting down, simple past and past participle shut down)

  1. (transitive) To close, terminate, or end.
    They are planning to shut down the entire building at the end of the month.
    • 2010, Jonathan Ashcroft, Scavengers (page 41)
      Alex quickly shut down her argument. 'But I'm the male. They lead in dancing, why shouldn't I be the lead here too? And besides, I was picked, you applied, which basically means I'm the lead anyway. []
    • 2020 July 1, Daniel Puddicombe, “How can heritage lines recover from enforced closures?”, in Rail, page 30:
      The typical business model relies on a line operating intensively from March or April through to September or October, before shutting down during the winter months - at which point essential repairs and maintenance can take place using income accrued during the busy summer months, ahead of the cycle starting over again.
  2. (ergative) To turn off or stop.
    It's a good idea to shut down the machine before you leave.
    My computer is shutting down as we speak.
  3. (figuratively, intransitive) To emotionally withdraw into oneself as a defense mechanism; to block out external stressors.
    I can't talk to him about a certain thing; he just shuts down anytime I try.
  4. (slang, auto racing, car culture) To pass (another vehicle), especially quickly.


Derived terms[edit]