closed

• A closed and locked door prevented my escape.
• The channel was closed as a result of thick ice.

1. Made impassable.

2. Sealed or covered.

   • Her eyes were tightly closed.
   • Keep this box closed at all times.
   • When the top sheet, blanket, and bedspread of a closed bed are turned back, or fanfolded, the closed bed becomes an open bed, or a bed ready to receive a patient or resident. - 2005, Pamela J. Carter, Susan Lewsen,...

3. Physically drawn together, folded or contracted.

   • A book lay closed on the table.
   • a closed fist

4. (engineering, gas and liquid flow, of valve or damper) In a position preventing fluid from flowing.

• Phone lines are now closed.

1. Not available for use or operation.

2. (of a store or business) Not operating or conducting trade.

   • Banks are closed on bank holidays.

3. Not allowing entrance to visitors or the public.

   • The museum is closed for the Christmas holidays.

4. Not receptive.

   • He is closed to new ideas.

5. Not public.

   • closed source a closed committee The bill is being considered by the committee in closed session.

6. Of a competition or tournament: with the competitors restricted to a specific group, such as professionals, amateurs, members or residents.

7. (computing, of a file, document, etc.) Not in current use; not connected to as a resource.

   • Make sure that all files are closed before you switch off the computer.

• This subject is now closed.

1. Settled; decided or determined; withdrawn from consideration.

2. Having one end joined to the other, forming a completed loop.

   • a closed curve, a closed circuit

3. (electricity, of a switch or circuit breaker) In a position allowing electricity to flow.

4. (graph theory, of a walk) Whose first and last vertices are the same, forming a closed loop.

• The set of integers is closed under addition: #92;forallx,y#92;in#92;mathbb#123;Z#125;,#92;,x#43;y#92;in#92;mathbb#123;Z#125;.

Synonyms: close