"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
7. not open to the general public;
"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"