\ 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

President Donald Trump met with Twitter CEO Jack Dorsey in a closed-door meeting in the Oval Office on Tuesday to discuss a matter of pressing national concern. Michelle Ruiz, Vogue, "The Conversation That Twitter’s Jack Dorsey Should Have Had With Donald Trump," 24 Apr. 2019 Both Castro and Trump returned to the Alamo City last week, with Trump attending a closed-door fundraiser and Castro hosting a counter-rally devoted to immigration issues. Xorje Olivares, Teen Vogue, "Why the Accent Over Julián Castro's Name Matters," 23 Apr. 2019 Her firing, agreed upon by the board’s majority faction during a closed-door session in January and carried out later with little public explanation, is among a series of recent controversies within the agency. Lewis Kamb, The Seattle Times, "Amid turmoil, judge rules Washington State Bar Association must disclose correspondence that explains director’s firing," 14 Apr. 2019 The stands at San Francisco’s Oracle Park were empty, the hot dog carts were closed and the jumbotron was dark. Katherine Clarke, WSJ, "The Ultimate Home Field Advantage," 4 Apr. 2019 All eastbound lanes on I-20 were closed following the crash. Kathleen Joyce, Fox News, "Dallas officer killed by suspected drunk driver while on funeral escort," 2 Oct. 2018 Money managers such as Morgan Stanley also close early on Holy Thursday and remain closed on Good Friday. Marie Milano, Country Living, "Are Banks Open on Good Friday This Year?," 11 Mar. 2019 There’s no plan in sight to fund the roughly 25 percent of the federal government that almost certainly will remain closed at least through the new year — when Democrats take over the House. Amanda Sakuma, Vox, "Trump threatens to shut down the border for the third time in three months," 29 Dec. 2018 The Arc de Triomphe remains closed after last week's riots, when it was vandalized. Caroline Hallemann, Town & Country, "The Eiffel Tower and the Louvre Plan to Close Amid Protests in Paris," 7 Dec. 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

12 May 2019

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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 : having the skin intact with no underlying tissue exposed closed wounds — see closed fracture
b of a head injury : having the skull intact : not marked by fracture or penetration of 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
3 : not discharging pathogenic organisms to the outside a case of closed tuberculosis — compare open entry 1 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

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