lock up

Meaning

  1. To imprison or incarcerate (someone).
  2. To put (something) away in a locked location for safekeeping; (occasionally, chiefly humorously) to sequester (a person) in a similar way.
  3. To close (and often lock) all doors and windows (of a place) securely.
  4. To lock (a door, window, etc.).
  5. To cease responding.
  6. To cause (a program) to cease responding or to freeze.
  7. To stop moving; to seize.
  8. To stop moving; to seize.
  9. To lose one's forward momentum; to freeze.
  10. To (mistakenly) cause or have one of one's wheels to lock up (stop spinning).
  11. To invest in something long term.
  12. To travel through a flight of locks on a waterway in an uphill direction.
  13. (obsolete) To fasten quoins securely with a mallet and a shooting-stick.

Etymology

lock + up

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