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

Fisher said players can’t unlock all the skills in one play through. —Gieson Cacho, The Mercury News, 10 Mar. 2025

Adding emotional value beyond rational benefits Here’s how these elements work together to unlock influence. —Carlos Hoyos, Forbes, 10 Mar. 2025

Science Advances This new hand could unlock more precise, natural-feeling prostheses for amputees – and also enable greater dexterity for humanoid robots tasked with handling delicate items around your home, and on the assembly line to build more bots. —New Atlas, 7 Mar. 2025

Our expert take The Citi Strata Premier℠ Card has competitive rewards rates and unlocks access to all of the Citi ThankYou® transfer partners, which boosts the value of your points. —Jason Stauffer, CNBC, 7 Mar. 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