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

Integrating these intelligent systems into existing SaaS platforms will unlock new levels of productivity and innovation, ensuring long-term success. —Son Nguyen, Forbes.com, 8 July 2025

Apply now, and unlock a special discount on the application fee by using code INDIEWIREGO. —Rance Collins, IndieWire, 8 July 2025

On Sunday, President Donald Trump approved a major disaster declaration for Kerr County, unlocking Federal Emergency Management Agency aid for rescue, recovery and infrastructure support. —Joe Edwards, MSNBC Newsweek, 7 July 2025

The good news is, experts like Dr. Mitchell are also optimistic about vaginal probiotics—future research could help unlock their potential to tweak our vaginal ecosystem for the better. —Erica Sloan, SELF, 7 July 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