closed Syllabification: (closed)Pronunciation: /klōzd/Translate closed | into German | into Spanish Definition of closed adjective not open:rooms with closed doors lined the hallway he sat with his eyes closed (of a business) having ceased trading, especially for a short period:he put the “Closed” sign up on the door (of a society or system) not communicating with or influenced by others; independent. limited to certain people; not open or available to all:the UN Security Council met in closed session unwilling to accept new ideas:you’re facing the situation with a closed mind Mathematics (of a set) having the property that the result of a specified operation on any element of the set is itself a member of the set. Mathematics (of a set) containing all its limit points. Geometry of or pertaining to a curve whose ends are joined. Phrases behind closed doors taking place secretly or without public knowledge. closed book a subject or person about which one knows nothing:accounting has always been a closed book to meclosed in other Oxford dictionaries Definition of closed in the British & World English dictionary
