Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Designed to prevent picking: a pickproof lock.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Resistant to being picked.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

pick +‎ -proof

Examples

  • A drill and 'pickproof' euro cylinder lock protects your bikes from even the most determined thief

    MyLinkVault Newest Links

  • A drill and 'pickproof' euro cylinder lock will protect your equipment from even the most determined thief The high security multi-point locking mechanism operates bolts which shoot into the top and bottom of the unit giving additional security.

    MyLinkVault Newest Links

  • You've probably seen their ads for pickproof door locks.

    Alfred Hitchcock's Mystery Magazine

  • Two had pickproof Medeco cylinders, and all were secured by escutcheon plates.

    A Dance at the Slaughterhouse.html

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