button up

Definitions

1. 1

   To fasten with a button or buttons.

   • Button up your shirt cuff. It has come undone.
2. 2

   To fasten all the buttons on a coat, or similar item of clothing, to keep warm.

   • Button up well. It's freezing outside today.
3. 3

   To conclude

   To conclude; to finalize; to put the finishing touches (on).

   • It's time to button up the meeting.
4. ›+ 2 more definitionsshow fewer

   1. 4

      Alternative form of button up one's lip.

      • He needs to button up.
   2. 5

      To seal off (a military vehicle or facility).

      • Once buttoned up, NORAD's operation center can survive for more than 30 days without aid from the outside world.
      • We fired at the tanks and caused them to "button up" and then we started shooting the infantry.
      • He turned a key. NORAD buttoned up. The outside lights, flashing for half an hour now in warning of a simulated attack, stopped. Whoever was inside would stay inside. Whoever was outside would not be able to get in […]

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