closed
/kləʊzd
/adjective
1Not open: rooms with closed doors lined the hallway he sat with his eyes closed...
- Kamat pushes open a closed door from her past and a memory slips out.
- Allison pried open the closed elevator doors with a tool, and squeezed inside.
- Letting out a sigh, Jenny went back over to the closed door and slowly opened it.
1.1(Of a society or system) not communicating with or influenced by others: the perception of the Soviet Union as a closed society had changed...
- The Institute was a closed society of the rich, famous and powerful.
- The terrorists seek a closed society of fear and conformity.
- It's almost impossible to gauge what they're doing because it is a closed society.
1.2Limited to certain people; not open or available to all: the UN Security Council met in closed session...
- However, she has agreed to appear before the commission on a second occasion, albeit in closed session.
- Councillors were last night in closed session considering quotes from different firms for the general repair work.
- This is not surprising because the world's elite closed tournaments are just that: closed.
1.3Unwilling to accept new ideas: you’re facing the situation with a closed mind...
- Darren sees all this carefully orchestrated chaos and confusion as a way to unlock closed minds.
- And that's the beauty of using music as a Trojan Horse into closed minds.
- And the opposite of faith is not so much doubt as fear, or the rocklike certainty of the closed mind.
2(Of a business) having ceased trading, especially for a short period: he put the ‘Closed’ sign up on the door...
- Up and down Brandon Boulevard on Sunday afternoon were nothing but closed businesses.
- He declined to discuss target figures for sign-ups to the service because the company is currently in a closed period.
- They want the closed factory reopened and the payment of salaries pending for the last 18 months.
3 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.He proved that every field has an algebraically closed extension field, perhaps his most important single theorem....
- What I'm thinking of is a closed, known set of items and these can take many forms.
3.1(Of a set) containing all its limit points.Every uncountable closed set can be partitioned into a perfect set and a countable set....
- He also defined closed subsets of the real line as subsets containing their first derived set.
3.2 Geometry (Of a curve or figure) formed from a single unbroken line.Finally the fifth case consists of two symmetrically positioned closed curves....
- The time line dips back into the past and could form a closed curve in spacetime.
- A formula for the line integral of the geodesic curvature along a closed curve is known as the Gauss Bonnet theorem.
Phrases
behind closed doors
closed book