\ 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

Here's what's open and closed for Independence Day, Thursday, July 4, 2017, in the Portland area., "What’s open, what’s closed, for July 4th in the Portland area," 3 July 2019 Fourth of July: Where to find fireworks, events around Indianapolis Here is what will be open and closed on July 4 in the Indianapolis area: Are government offices open on Fourth of July? Chris Sims, Indianapolis Star, "Here's what is open, closed for Fourth of July," 1 July 2019 Where organizations like businesses and hospitals sometimes have more leeway to work behind closed doors, attacks on government entities can be more immediately visible. Lily Hay Newman, WIRED, "Ransomware Hits Georgia Courts As Municipal Attacks Spread," 1 July 2019 It will be required to livestream meetings online, add four members to the 17-member board and include votes from open and closed meetings in publicly available meeting minutes. Washington Post, "Prescription drug board, other laws, take effect in Maryland," 30 June 2019 Issues that had formerly been decided behind closed doors were discussed openly; matters that had once been determined by experts were made subject to the popular will. Richard Vokes, Quartz Africa, "A recently discovered trove of photos shows life in Uganda during Idi Amin’s troubled reign," 30 June 2019 The website has a chart indicating whether each campground is open, closed or full. USA TODAY, "Mural for missing women, ‘Jedi’ cremations, MRI party: News from around our 50 states," 18 June 2019 Elsewhere, mobile shade panels line the outdoor spaces, sliding open or closed to provide more or less privacy and shade. Jack Flemming,, "Before and After: Staging drama in a stucco box," 14 June 2019 Whether open or closed, the Spectre x360 13 can connect to peripherals or charge via that extra USB-C port. Valentina Palladino, Ars Technica, "HP updates Spectre x360 2-in-1s with webcam privacy switch, more battery life," 23 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

7 Jul 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 : 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

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


appealing forcibly to the mind or reason

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