Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “unlock”


verb [T]    /ʌnˈlɑk/
to open a lock using a key, an electronic device, or a series of numbers or letters: Could you unlock the door for me?
(Definition of unlock verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of unlock

Definitions of “unlock” in other dictionaries

Word of the Day

pump iron

to lift heavy weights for exercise

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More