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

Deluxe Edition pre-orders and EA Play or Xbox Game Pass Ultimate subscriptions unlock early access on September 5. —Brian Mazique, Forbes.com, 2 Sep. 2025

Bet $5 on this game to instantly unlock your rewards with the DraftKings promo code. —Tyler Everett, MSNBC Newsweek, 1 Sep. 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. —Ryley Amond, CNBC, 1 Sep. 2025

Maye’s mobility is the key to unlocking a new dimension for the Patriots offense, which has lagged behind modern attacks without off-schedule playmaking. —Andrew Callahan, Boston Herald, 31 Aug. 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