closed

closed
closed S3 /kləʊzd $ kloʊzd/ adjective1. not open
   SYN  shut
   OPP  open:
    Make sure all the windows are closed.
    She kept her eyes tightly closed.
2. [not before noun] if a shop, public building etc is closed, it is not open and people cannot enter or use it
   SYN  shut
   OPP  open:
    The shops here are closed on Sundays.
    closed to the public/visitors etc
    The castle is closed to visitors in winter.
3. restricted to a particular group of people
   OPP  open:
    The golf club has closed membership.
    a closed meeting
    The police have a closed circle of suspects.
4. not willing to accept new ideas or influences
   OPP  open:
    You’re facing this situation with a closed mind.
    closed society/world/way of life
    Venetian art in this period was a closed world.
5. behind closed doors if something happens behind closed doors, it happens in private and the public are not allowed in:
    It seems that the deal was made behind closed doors.
    Football authorities ordered the club to play its next two games behind closed doors after the riots in February.
6. a closed book (to somebody) a subject or problem that someone does not know about or understand:
    Mathematics has always been a closed book to me.
7. a closed set (of something) a restricted group, or a group that cannot change or grow:
    The law is not a closed set of rules and principles. ⇨ in closed session at session(2)