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

The whole idea behind the breakup is to unlock value for shareholders. —Jeff Marks, CNBC, 13 Oct. 2025

If shooting these videos unlocks a creative door, editing them will give you keys to the building. —Dana Harris-Bridson, IndieWire, 13 Oct. 2025

In addition to unlocking the maximum efficiency of energy grids and financial services, other opportunities are being explored in how quantum could optimize global shipping, and to help understand the complex chemical reactions that could lead to the discovery of new materials and medicines. —Jason Ma, Fortune, 12 Oct. 2025

But development isn’t a straight line; Lane Lambert is going to help unlock his game more and get him back on track. —Peter Baugh, New York Times, 11 Oct. 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