un·lock (ŭn-lŏk')

v., -locked, -lock·ing, -locks.

v.tr.

1. 1. To undo (a lock) by turning a key or corresponding part.
   2. To undo the lock of.
2. To give access to; open.
3. To set free; release: The news unlocked a torrent of emotion.
4. To provide a key to; disclose or reveal: unlock a mystery.

v.intr.
To become unfastened, loosened, or freed from something that restrains.

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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