\ 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

Katy ISD school board The Katy ISD board of trustees will meet in a in closed session at 5:30 p.m. and open session about 6:30 p.m. Monday, Aug. 26. Roy Kent, Houston Chronicle, "THIS WEEK: Katy City Council to talk about proposed budget," 26 Aug. 2019 The new proposal comes several weeks after the planning commission met in closed session with city lawyers to discuss the lawsuits Johnston filed. J.k. Dineen,, "Owner of destroyed Richard Neutra house has a new plan to replace historic home," 21 Aug. 2019 Chief Assistant City Attorney Mike Vigliotta said the council voted 5-0 in closed session Monday to join the case. Priscella Vega, Daily Pilot, "Huntington Beach tentatively approves new police management contract," 20 Aug. 2019 Instead, existing members nominated candidates in closed sessions, like a secret society. Mac Schwerin, Vox, "The case against summer camp," 16 Aug. 2019 Walmart representatives will meet in a closed session Thursday with DeWees and representatives from three of four Carroll municipalities where there is a Walmart: Westminster Police Deputy Chief Maj. Mary Grace Keller,, "Days after Carroll County sheriff calls Walmart security ‘poor,’ company officials to meet with police leaders," 14 Aug. 2019 McKibben’s sudden departure came after a month of silence over multiple closed-session meetings. David Debolt, The Mercury News, "Oakland Coliseum executive resigns amid controversy," 10 Aug. 2019 The board then discussed the matter in a closed session. Tom Loftus, The Courier-Journal, "Lt. Gov. Hampton asks to intervene on behalf of staffer fired by Bevin administration," 9 Aug. 2019 Ptacek and other board members would prefer to discuss Pontrelli’s recent job evaluation in a closed session, which is allowed under the open meetings law. Christopher Magan, Twin Cities, "Stillwater board stymied over superintendent’s future," 9 Aug. 2019

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

1 Sep 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

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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recurring in steady succession

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