Dictionary.com
Thesaurus.com
Showing results for unlock. Search instead for inlock.
Synonyms

unlock

American  
[uhn-lok] / ʌnˈlɒk /

verb (used with object)

  • unlocks,
    present (3rd person singular)
  • unlocked,
    past participle,  past
  • unlocking
    present participle
  1. to undo the lock of (a door, chest, etc.), especially with a key.

  2. to open or release by or as if by undoing a lock.

  3. to open (anything firmly closed or joined).

    to unlock the jaws.

  4. to lay open; disclose.

    to unlock the secrets of one's heart.


verb (used without object)

  • unlocks,
    present (3rd person singular)
  • unlocked,
    past participle,  past
  • unlocking
    present participle
  1. to become unlocked.

unlock British  
/ ʌnˈlɒk /

verb

  1. (tr) to unfasten (a lock, door, etc)

  2. (tr) to open, release, or let loose

  3. (tr) to disclose or provide the key to

    unlock a puzzle

  4. (intr) to become unlocked

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of unlock

1350–1400; Middle English unloken; see un- 2, lock 1

Explanation

When you unlock something, you turn a key or use a code in order to open it. You have to unlock your locker before you can get the books you need for English class. You might unlock your front door by turning a bolt or unlock a hotel room door by sliding a card into a reader. Either way, something was secured with a lock and now you've opened it. This verb is also used for smart phones: "Once you unlock the screen, you can see that photo I sent." Unlock is formed by adding the prefix un-, "reverse," to lock, "fasten or secure."

Keep Reading on Vocabulary.com

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Although some investors are doubtful about Apple Intelligence and AI-powered Siri, successful execution of those features “could extend the iPhone cycle, drive upgrades and unlock new monetization opportunities,” Daryanani said.

From MarketWatch Aug. 21, 2026

Some AI health systems are powerful enough to assist humans, but most still lack the critical context needed to unlock more tailored capabilities.

From The Wall Street Journal Aug. 12, 2026

The breakthrough has been labelled a "very significant turning point" in science that could unlock a new era for treating disease.

From BBC Aug. 6, 2026

Authorities are trying unlock the mystery of a Downey security guard accused of weapons violations after he twice visited the Trump National Golf Course in Rancho Palos Verdes in advance of this week’s presidential visit.

From Los Angeles Times Aug. 6, 2026

My hands are shaking so hard I can hardly press the unlock button.

From "Blended" by Sharon M. Draper

“We are already present on all the centralized and decentralized exchanges. Broker dealer unlocks new opportunities.”

From The Wall Street Journal Aug. 6, 2026

More shares will become eligible to trade in August and September, with additional releases set to continue through December in one of the largest post-IPO share unlocks in U.S. market history.

From MarketWatch Aug. 5, 2026

Private marks remain elevated, and Roper Technologies will continue to lean into share repurchases over platform acquisitions; however, management wants to leave enough dry powder for when the market for mergers-and-acquisitions unlocks.

From Barron's Jun. 19, 2026

“We’re just excited for the amount of creativity that it unlocks, and for our audience to discover them in the most organic way.”

From Los Angeles Times May 28, 2026

He unlocks the door, takes off his shoes, puts them on the plastic runner that his father must have placed there to protect the plush off- white wall-to-wall carpeting.

From "The Namesake" by Jhumpa Lahiri

So far, unlocked insider shares haven’t weighed too heavily on the stock.

From MarketWatch Aug. 20, 2026

The jury found no adequate welfare check was carried out when his cell was unlocked.

From BBC Aug. 9, 2026

The 912 million SpaceX shares that unlocked Thursday—holdings worth more than $100 billion—far exceed the previous supply of tradable stock.

From The Wall Street Journal Aug. 6, 2026

Quintero made a phone call before they slipped through an unlocked back door.

From Los Angeles Times Jul. 28, 2026

She marched up to our porch and opened the screen door, then unlocked the front door, then swung it wide to allow Deputy Collins to walk in first, the rest of us behind him.

From "Root Magic" by Eden Royce

So what is Bucky Brooks doing before sunrise, unlocking the gate outside the Granada Hills High football field?

From Los Angeles Times Aug. 20, 2026

Our friends over at the Slate podcast Slow Burn are good at taking events that we think are settled history, then unlocking a new understanding of those stories through interviews, archives, and fresh analysis.

From Slate Aug. 15, 2026

“The transaction strengthens Air Canada’s financial position by unlocking value from Aeroplan while retaining full operational control,” said John Di Bert, the airline’s chief financial officer.

From The Wall Street Journal Aug. 11, 2026

Higher prices “will encourage the development of new supply, while unlocking new opportunities for our business,” Le Peuch said during the call.

From MarketWatch Jul. 24, 2026

The higher your rank, the more special privileges you earn, like unlocking secret pages and online games and puzzles.

From "Book Scavenger" by Jennifer Chambliss Bertman

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training