- to undo the lock of (a door, chest, etc.), especially with a key.
- to open or release by or as if by undoing a lock.
- to open (anything firmly closed or joined): to unlock the jaws.
- to lay open; disclose: to unlock the secrets of one's heart.
- to become unlocked.
Origin of unlock
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- (tr) to unfasten (a lock, door, etc)
- (tr) to open, release, or let loose
- (tr) to disclose or provide the key tounlock a puzzle
- (intr) to become unlocked
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper