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

• unleash
• loosen
• release

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

Treat The Private Cloud As A Platform—Not A Project: Treating the private cloud as a platform is essential for unlocking its full potential, fostering continuous innovation and agility for the entire organization. —Pankaj Gupta, Forbes.com, 26 June 2025

Scammers often claim that the cards are needed to cover fees, unlock a prize or verify your identity. —Kurt Knutsson, FOXNews.com, 26 June 2025

In addition to Hallmark Plus’ holiday offerings, subscribers will unlock plenty of Starz original series, including Outlander, the forthcoming prequel Outlander: Blood of My Blood (which premieres Friday, Aug. 8), Sweetpea, Three Women and The Couple Next Door. —Claire Franken, TVLine, 26 June 2025

Some users find ways to unlock their bikes, essentially getting around the vehicle’s speed limit. —Carolyn Komatsoulis, Idaho Statesman, 25 June 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