Meaning & use
unlock
To open something using a key or code, or to make something accessible that was previously restricted.
See it in a sentence
She quickly unlocked the front door and stepped inside out of the rain.
Completing the tutorial unlocks several new levels in the game.
A note on using this word
Unlock is often used figuratively for revealing potential or access, as in 'unlock your creativity'.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
lock
Make it your own
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