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

The move also unlocks real cross-sell potential: combining FIS’s debit processing with Global’s credit capabilities. —Nicole Casperson, Forbes.com, 9 May 2025

With a simple tap of the screen, the vehicle will locate level ground, park itself, deploy its stairs, unlock its doors, and even adjust the interior temperature. —Bryan Hood, Robb Report, 8 May 2025

This stadium show unlocks a new level of accomplishment for the apparently indefatigable Summit, who’s previously played solo headlining sets at large-scale venues including New York’s Madison Square Garden and Los Angeles’ BMO Stadium and Kia Forum. —Katie Bain, Billboard, 8 May 2025

But this unlocks the second ingredient: a different class of battery. —New Atlas, 8 May 2025

Word History

First Known Use

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

Rhymes for unlock

• alcock
• beanstalk
• bedrock
• boardwalk
• catwalk
• cornstalk
• crosswalk
• deadlock
• feedstock
• fetlock
• flintlock
• goshawk

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