\ˈklōzd \

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

The initial session of the trial of Bela Kovacs at the Budapest Regional Court was closed to the public by the judge because of the classified nature of the case. Pablo Gorondi, Fox News, "Hungarian politician on trial for spying on EU for Russia," 10 July 2018 More than a month after opening for the 2018 season, four rides at the Schlitterbahn water park in Kansas City, Kan., remain closed to visitors after an audit by regulators found that each did not comply with the Kansas Amusement Ride Act. Steve Vockrodt, kansascity, "A month after Schlitterbahn's opening, four rides remain closed at the KCK water park," 10 July 2018 The initial session of the trial of Bela Kovacs at the Budapest Regional Court was closed to the public by the judge because of the classified nature of the case. Pablo Gorondi, The Seattle Times, "Hungarian politician on trial for spying on EU for Russia," 10 July 2018 The Monday meeting between Kenney and immigrants’ rights advocates, which also included lawyers for the American Civil Liberties Union, was closed to the public. Holly Otterbein,, "Mayor Kenney met with immigrant advocates, 'abolish ICE' protesters Monday," 9 July 2018 The Boston thoroughfare, which is known for its chic shopping, was closed to cars from Massachusetts Avenue to Arlington Street from 10 a.m. to 6 p.m., according to the city. Alejandro Serrano,, "Pedestrians stroll down a car-less Newbury Street for third annual ‘Open Newbury’," 8 July 2018 During construction, all portions of the preserve north of Fort Sheridan’s historic district and south of the Vattman Road entrance to the fort’s cemetery were closed to the public. Frank Abderholden, Lake County News-Sun, "The natural and historic charms at Fort Sheridan open to public again," 3 July 2018 Those games were played on practice courts and were closed to the public, creating an intimate setting in which the spectators primarily were teams’ staff members, NBA and overseas scouts, player agents and journalists. Josh Robbins,, "Magic converge on Las Vegas for 1st time in 13 years," 2 July 2018 Burr Pond State Park in Torrington was at capacity Saturday afternoon and was closed to new vehicles, according to the state environmental protection department. Jenna Carlesso, Courant Community, "Connecticut To Cook For Several Days In Heat Wave," 1 July 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

1 Sep 2018

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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 \

Kids Definition of closed

: not open a closed door


\ˈklōzd \

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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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).


evasion of direct action or statement

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