unlock

[ uhn-lok ]
/ ʌnˈlɒk /

verb (used with object)

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.

verb (used without object)

to become unlocked.

Origin of unlock

1350–1400; Middle English unloken; see un-2, lock1

OTHER WORDS FROM unlock

un·lock·a·ble, adjective

Example sentences from the Web for unlock

British Dictionary definitions for unlock

unlock
/ (ʌnˈlɒk) /

verb

(tr) to unfasten (a lock, door, etc)
(tr) to open, release, or let loose
(tr) to disclose or provide the key to unlock a puzzle
(intr) to become unlocked

Derived forms of unlock

unlockable, adjective