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

With deeper, more collaborative relationships, mentoring can unlock its full potential. —Kate Vitasek, Forbes, 26 Feb. 2025

That was true at the City Ground, with the Forest’s captain’s cunning and guile repeatedly threatening to unlock Arsenal’s stubborn defence. —James McNicholas, The Athletic, 26 Feb. 2025

Supplying all that info would unlock public spending on the project. —Colleen Wright, Orlando Sentinel, 25 Feb. 2025

Washington — House Republicans cleared a key hurdle on Tuesday on a budget proposal that would unlock President Trump's legislative agenda after a handful of members expressed opposition to the package. —Kaia Hubbard, CBS News, 25 Feb. 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