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

After a set period, the alert also unlocks the doors and rolls down the windows to keep occupants from overheating. —Mark Phelan, Detroit Free Press, 8 Sep. 2024

Finding the key to unlock new revenue is a special and delicate challenge for Roblox, which was founded 20 years ago to teach children the basics of game-making and has exploded in popularity in recent years. —Alicia Adamczyk, Fortune, 7 Sep. 2024

In the video, the woman is seen entering the business by breaking the front window, reaching inside and unlocking the front door, police said. —Greg Wehner, Fox News, 6 Sep. 2024

Somehow, Apollo, who also seems to be mourning Walter, has helped Iris come to terms with her friend’s death and to unlock her own creative ambitions. —Brent Lang, Variety, 6 Sep. 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