Closed

adj. 1. having an opening obstructed. [ Narrower terms: blind ] Also See: obstructed, sealed, shut, unopen, closed. Antonym: open. [ WordNet 1.5 ]

2. (Math.) 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. open [ WordNet 1.5 ]

3. Being in a position to obstruct an opening; -- especially of doors. [ Narrower terms: fastened, latched ] Also See: closed. Antonym: open.
Syn. -- shut, unopen. [ WordNet 1.5 ]

4. having skin drawn so as to obstruct the opening; -- used of mouth or eyes. Opposite of open. he sat quietly with closed eyes [ Narrower terms: blinking, winking; compressed, tight; squinched, squinting ]
Syn. -- shut. [ WordNet 1.5 ]

5. requiring union membership; -- of a workplace; as, a closed shop. [ prenominal ] [ WordNet 1.5 ]

6. closed with shutters. [ WordNet 1.5 ]

7. hidden from the public; as, a closed ballot. [ WordNet 1.5 ]

8. not open to the general public; as, a closed meeting. [ WordNet 1.5 ]

9. unsympathetic; -- of a person's attitude. a closed mind unreceptive to new ideas [ WordNet 1.5 ]

10. surrounded by walls. a closed porch
Syn. -- closed in(predicate). [ WordNet 1.5 ]

11. made compact by bending or doubling over; as, a closed map.
Syn. -- folded. [ WordNet 1.5 ]

12. closed or fastened with or as if with buttons. [ Narrower terms: buttoned (vs. unbuttoned) ] [ WordNet 1.5 ]

13. not engaged in activity; -- of an organization or business establishment. the airport is closed because of the weather; the many closed shops and factories made the town look deserted
Syn. -- shut down. [ WordNet 1.5 ]