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unlock

un·lock

unlock

 
 
pronunciation:
uhn lak
features:
Word Parts
part of speech: verb
inflections: unlocked, unlocking, unlocks
definition 1: to open the lock of by turning a key or mechanism.
The janitor unlocks the museum in the morning.
antonyms:
lock
definition 2: to make known; disclose.
They unlocked the mystery at last.
definition 3: to become unlocked.
The vault unlocks electronically.
derivation: unlockable (adj.)
Word Parts
The word unlock contains the following part:
un-2 Old English prefix that means reverse (an action)
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The prefix un-2 attaches to verbs.
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synonyms:
de-, dis-