Definition of closed
1a : not openb : enclosedc : composed entirely of closed tubes or vessels a closed circulatory system
2a : forming a self-contained unit allowing no additions closed associationb (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 endpointsc : characterized by continuous return and reuse of the working substance a closed cooling systemd of a racecourse : having the same starting and finishing point
3a : confined to a few closed membershipb : excluding participation of outsiders or witnesses : conducted in strict secrecyc : rigidly excluding outside influence a closed mind
4 : 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.
Recent Examples of closed from the Web
So after weeks of closed-door debates on Capitol Hill over who would take up the issue first — the House or the Senate — Republican members settled on a secret strategy, according to Hill staff and lobbyists involved in the battle.
Plans do not call for the closed ramp to be torn down, according to ALDOT.
Behind closed doors, a longtime House Republican staffer told me, a few lawmakers still wholeheartedly defend the president; among the rest, there are differing degrees of fatalism.
When a file is closed, all security alerts are removed.
The Escondido Union School District board met in closed session Thursday and afterward appointed Timothy Biland as principal and Christine Harris as assistant principal of Rincon Middle School for 2017-18.
Manchester is slowly returning to normal, though dozens of people remain hospitalized and the damaged arena and adjacent Victoria train station remain closed.
Immigration Abe: Japan is one of the most closed countries in the world but is slowly opening up to more immigration.
A closed-door vote of Democrats on Friday found only 42 House votes in favor of the Senate plan.
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.
First Known Use of closed
CLOSED Defined for English Language Learners
Definition of closed for English Language Learners
: covering an opening : having an opening that is covered
: not operating or open to the public
: having ended : not being worked on anymore
CLOSED Defined for Kids
Definition of closed for Students
: not open a closed door
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 fractureb: 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 2
Legal Definition of closed
1 : confined to a few closed membership
2 : excluding outsiders or witnesses : conducted in secrecy closed hearings
Seen and Heard
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