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closed adjective [ kləʊzd ]

• not open.
• "rooms with closed doors lined the hallway"
• (of a business) having ceased trading, especially for a short period.
• "he put the ‘Closed’ sign up on the door"
• (of a set) having the property that the result of a specified operation on any element of the set is itself a member of the set.

close verb

• move so as to cover an opening.
• "she jumped on to the train just as the doors were closing"
Similar: shut, draw to, pull to, push to, slam, fasten, secure, lock, bolt, bar, latch, padlock, put up the shutter,
Opposite: open, unlock,
• bring or come to an end.
• "the members were thanked for attending and the meeting was closed"
Similar: end, bring/come to an end, conclude, finish, terminate, wind up, break off, halt, call a halt to, discontinue, dissolve, adjourn, suspend, prorogue, recess,
Opposite: open, begin,
• (of a business, organization, or institution) cease to be in operation or accessible to the public, either permanently or at the end of a working day or other period of time.
• "the factory is to close with the loss of 150 jobs"
Similar: cease activity, shut down, close down, cease production, cease operating, come to a halt, cease trading, fail, collapse, go out of business, crash, go under, go bankrupt, become insolvent, go into receivership, go into liquidation, be liquidated, be wound up, be closed (down), be shut (down), fold, flop, go broke, go bump, go to the wall, go bust,
Opposite: open,
• gradually get nearer to someone or something.
• "they plotted a large group of aircraft about 130 miles away and closing fast"
Similar: catch up, creep up, near, approach, gain on someone, draw nearer/near, get nearer/near, come nearer/near, draw closer/close, get closer/close, come closer/close, narrow, lessen, grow/become/make smaller, dwindle, diminish, reduce, shrink, contract, constrict, get/become/make narrower, straiten,
Opposite: widen,
Origin: Middle English: from Old French clos-, stem of clore, from Latin claudere ‘to shut’.

behind closed doors

• taking place secretly or without public knowledge.
"the legislature allows its business to be completed behind closed doors"

closed book

• a subject or person about which one knows nothing.
"accounting has always been a closed book to me"



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