\ ˈklōzd How to pronounce closed (audio) \

Definition of closed

1a : not open
b : enclosed
c : composed entirely of closed tubes or vessels a closed circulatory system
2a : having the skin intact with no underlying tissue exposed closed wounds — see also closed fracture
b of a head injury : having the skull intact : not marked by fracture or penetration of the skull
3a : forming a self-contained unit allowing no additions closed association
b(1) : traced by a moving point that returns to an arbitrary starting point closed curve also : so formed that every plane section is a closed curve closed surface
(2) : characterized by mathematical elements that when subjected to an operation produce only elements of the same set the set of whole numbers is closed under addition and multiplication
(3) : containing all the limit points of every possible subset a closed interval contains its endpoints
c : characterized by continuous return and reuse of the working substance a closed cooling system
d of a racecourse : having the same starting and finishing point
4a : confined to a few closed membership
b : excluding participation of outsiders or witnesses : conducted in strict secrecy
c : rigidly excluding outside influence a closed mind
5 : ending in a consonant closed syllable

Examples of closed in a Sentence

He looked at me through half-closed eyes. The store is closed for lunch between 1 and 2 p.m. The beach is closed this time of night. These restrooms are closed for cleaning. The chairman declared the discussion closed and allowed no further speeches.
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Recent Examples on the Web

But even in swinging London there are bastions of resistance, like the closed drawing rooms of the traditional gentlemen’s clubs, for those who enjoy reading the Daily Telegraph while taking their morning tea. Janine Di Giovanni, Town & Country, "Is Brexit Ruining London Dinner Parties?," 25 Feb. 2019 The Gap was briefly closed two years ago to add a viewing platform, railings and warning signs near the edge. Fox News, "Photo shows tourist's final moments before falling to his death at popular oceanside cliff in Australia," 2 Oct. 2018 Without a doubt, the wiggle-sweep technique on a closed eye really does create a more voluminous, lengthier outcome. Allure, "I Tried a Viral Mascara Trick and It Made a Huge Difference in the Volume of My Lashes," 21 Aug. 2018 Senate Republicans said that Vice President Mike Pence and a Justice Department lawyer mounted a vigorous case at a closed-door lunch Tuesday about the statutory basis for Mr. Trump’s declaration. Kristina Peterson, WSJ, "House Passes Bill Blocking Trump Border Emergency," 26 Feb. 2019 Behind closed doors, there's no reason to think that things are any different—Kate has reportedly been comforting Meghan during the new royal's family drama with sister Samantha and father Thomas Markle. Katherine J. Igoe, Marie Claire, "Every Photo of Kate Middleton and Meghan Markle That Disproves Those Feud Rumors," 16 Feb. 2019 One of Harrison’s first closed-door meetings in Baltimore was with the city’s top prosecutor. David Mcfadden, The Seattle Times, "Baltimore’s troubled police force gets new acting leader," 11 Feb. 2019 The park road to the Paradise area, which features a visitor center and snowy terrain where many people ski and snowshoe, was closed. Evan Bush, The Seattle Times, "Mount Rainier National Park closes lower-elevation gate amid government shutdown," 7 Jan. 2019 Steel Vengeance, at Sandusky's Cedar Point, was closed most of Saturday, the park’s first day of the 2018 season, due to the incident. Michelle Gant, Fox News, "'World's fastest' hybrid roller coaster in Ohio shuts down on opening day after two cars collide," 2 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'closed.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of closed

13th century, in the meaning defined at sense 1a

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Statistics for closed

Last Updated

17 Mar 2019

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Time Traveler for closed

The first known use of closed was in the 13th century

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More Definitions for closed



English Language Learners Definition of closed

: covering an opening : having an opening that is covered
: not operating or open to the public
: having ended : not being worked on anymore


\ ˈklōzd How to pronounce closed (audio) \

Kids Definition of closed

: not open a closed door


\ ˈklōzd How to pronounce closed (audio) \

Medical Definition of closed

1 : being a complete self-contained system with nothing transferred in or out a closed thermodynamic system
2a : covered by unbroken skin a closed fracture
b : not penetrating the skull Closed head injuries result from the force of a blast or a blow in which the skull remains intact but the brain, surrounded by fluid like an egg yolk, gets wrenched or slammed against the skull wall.— Neil Shea, National Geographic, December 2006
3 : not discharging pathogenic organisms to the outside a case of closed tuberculosis — compare open sense 2

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Legal Definition of closed

1 : confined to a few closed membership
2 : excluding outsiders or witnesses : conducted in secrecy closed hearings

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More from Merriam-Webster on closed

Rhyming Dictionary: Words that rhyme with closed

Nglish: Translation of closed for Spanish Speakers

Britannica English: Translation of closed for Arabic Speakers

Comments on closed

What made you want to look up closed? Please tell us where you read or heard it (including the quote, if possible).


to corrupt or become corrupted

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