unlock

verb

un·​lock ˌən-ˈläk 

unlocked; unlocking; unlocks

transitive verb

1

: to unfasten the lock of

2

: open, undo

3

: to free from restraints or restrictions

the shock unlocked a flood of tears

4

: to furnish a key to : disclose

intransitive verb

: to become unfastened or freed from restraints

Synonyms

• loose
• loosen
• release
• uncork
• unleash
• unloose
• unloosen

Examples of unlock in a Sentence

Could you unlock the door for me?

geneticists unlocking the secrets of DNA

The material's potential was unlocked only through extensive testing.

How can I unlock my computer if I've forgotten the password?

This class will unlock your creativity.

Recent Examples on the Web

This approach to land issues will reduce emissions, improve accessibility, and unlock the untapped potential of urban areas. —Anacláudia Rossbach, TIME, 20 Dec. 2024

Stroman has appeared in two All-Star games and won a Gold Glove in his career, meaning one of the other 29 teams in baseball could unlock some serious potential late in his career. —Benedict Cosgrove, Newsweek, 20 Dec. 2024

The best opportunities often reside in international business-class tickets, where miles can unlock premium experiences for a fraction of the cash cost. —Paul Rubio, AFAR Media, 20 Dec. 2024

Twist-and-lock cover: Twist the cover to unlock it from the grid or metal clips and remove it. —Daley Quinn, Southern Living, 19 Dec. 2024

Word History

First Known Use

14th century, in the meaning defined at transitive sense 1

Kids Definition

unlock

verb

un·​lock ˌən-ˈläk 

ˈən-

1

: to open or unfasten through release of a lock

unlock the door

the chest won't unlock

2

: to set free : release

unlock a flood of emotions

3

: to make known

scientists unlocking the secrets of nature