Adjective
1. not open or affording passage or access;
"the many closed streets made travel difficult""our neighbors peeped from behind closed curtains"2. of a curve or surface; having no end points or boundary curves; of a set; having members that can be produced by a specific operation on other members of the same set; of an interval; containing both its endpoints
3. not open;
"the door slammed shut"4. used especially of mouth or eyes;
"he sat quietly with closed eyes""his eyes were shut against the sunlight"5. requiring union membership;
"a closed shop"6. with shutters closed
"a closed meeting"8. not having an open mind;
"a closed mind unreceptive to new ideas"9. blocked against entry;
"a closed porch"10. (of the wings of birds and insects) closed together
11. shut down;
"the airport is closed because of the weather""the many closed shops and factories made the town look deserted"