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Synonyms

unblock

American  
[uhn-blok] / ʌnˈblɒk /

verb (used with object)

  • unblocks,
    present (3rd person singular)
  • unblocked,
    past participle,  past
  • unblocking
    present participle
  1. to remove a block or obstruction from.

    to unblock a channel; to unblock a person's credit.

  2. Bridge. to play (a suit) so that the last card of the suit in one hand can provide access to the hand of the partnership having the longer holding in the suit.


unblock British  
/ ʌnˈblɒk /

verb

  1. to remove a blockage from (a pipe, etc)

"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

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Inflected Forms

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Conjugated Forms

Present

Past

Future

Etymology

Origin of unblock

First recorded in 1605–15; un- 2 + block

Explanation

If you unblock something, you free it or clear it of anything that's in its way. A plumber's frequent task is to unblock pipes so water can move through them. You can unblock your stuffed-up nose by blowing into a tissue, or unblock the driveway by moving your bike into the garage. Cardiologists, or heart doctors, often need to operate on patients in order to unblock their clogged arteries, so blood can flow freely. Unblock comes from adding the "reversal" prefix un- to the verb block, "obstruct or hinder passage."

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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:

Last week's floodwaters washed away a lot of heavy machinery, making it harder for rescuers to unblock tunnels, says a representative for Nepalese power companies.

From BBC ● Sep. 4, 2026

Tehran’s priority is to unblock an initial $24 billion in phases.

From The Wall Street Journal ● Jun. 17, 2026

While all major VPNs unblock Netflix, Hulu, Disney+ and HBO Max, ExpressVPN and Surfshark consistently bypass geo-restrictions, delivering smooth streaming playback.

From Salon ● Jun. 10, 2026

Lastly, Monday’s gains came on hopes that the U.S. would soon be able to unblock the Strait of Hormuz, the key shipping corridor that Asia relies on for most of its oil.

From Barron's ● May 4, 2026

At all events, it takes time for librarians to make decisions about whether to honor patrons' requests to unblock Web pages.

From Children's Internet Protection Act (CIPA) Ruling by United States District Court For The Eastern District Of Pennsylvania

Surfshark consistently unblocks Netflix libraries worldwide, along with Disney+, HBO Max, and BBC iPlayer.

From Salon ● Feb. 11, 2026

“Now, sadly, Fortnite on iOS will be offline worldwide until Apple unblocks it,” the account posted.

From Los Angeles Times ● May 16, 2025

The government believes the deal doesn’t endanger national interests or identity and unblocks the path for the country to join the EU.

From Seattle Times ● Jul. 14, 2022

No strategy reliably unblocks your memory, but research shows you might mitigate the social damage.

From Washington Post ● Aug. 20, 2021

The therapy unblocks him, like a plunger inside a backed-up sink.

From The Guardian ● Jul. 24, 2020

In my testing, it unblocked everything I threw at it.

From Salon ● Mar. 27, 2026

Touch your phone to the Brick again, and the apps are unblocked.

From The Wall Street Journal ● Nov. 23, 2025

With an unblocked defender blowing up the play in the backfield, Herbert cut back to his left, slithering through the defense for a four-yard touchdown.

From Los Angeles Times ● Nov. 15, 2024

"Now the entire field of study is unblocked."

From BBC ● Feb. 22, 2024

Harry felt as though Dumbledore’s speech at the Leaving Feast had unblocked him, somehow.

From "Harry Potter And The Goblet Of Fire" by J. K. Rowling

“Araghchi’s statement appears more aimed at unlocking negotiations than unblocking the Strait of Hormuz,” Michael Singh, former senior director for Middle East affairs at the National Security Council, said at the time.

From The Wall Street Journal ● Apr. 18, 2026

Consider your primary use case first: streaming requires strong unblocking capabilities and fast speeds, privacy-focused users need audited no-logs policies and advanced security features, and budget-conscious users should prioritize value plans with essential features.

From Salon ● Feb. 11, 2026

It has set out "a major planning overhaul… unblocking barriers to building, and setting out targets for councils to ramp up housebuilding, so new homes are built where they are most needed."

From BBC ● Jan. 9, 2025

“Like acupuncture, which uses fine needles, Bojin is a method of unblocking stuck qi using a pointed tool made of stone or horn.”

From Los Angeles Times ● Jul. 17, 2024

And he had no intention of unblocking it.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

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