# closed

/ˈkɫoʊzd/ (US) · /klˈəʊzd/ (UK)

Source: https://englishreference.com/word/closed
Updated: 2026-06-19

## Senses

### 1. shut or sealed

adjective · CEFR A1

not open, so that people or things cannot get through.

For teachers: physically obstructed or sealed so as to prevent passage or access.

- Keep the window closed so the rain doesn't come inside.
- The heavy oak doors remained closed throughout the ceremony to ensure the privacy of the participants.

### 2. not in business

adjective · CEFR A2

not open for business or not working at the moment.

For teachers: not available for operation, public access, or commercial transactions.

- The bank is closed on Sundays, so you will have to wait until Monday.
- The museum was closed for renovations, much to the disappointment of the tourists who had travelled across the country to see the exhibit.

### 3. finished or settled

adjective · CEFR B2

completed or decided, with no more work or talk needed.

For teachers: finalised or concluded; no longer subject to discussion or action.

- The police consider the case closed now that they have found the owner.
- Once the contract was signed, the chairman declared the matter closed and moved on to the next item on the agenda.

### 4. mathematics/logic

adjective · CEFR C1 · Technical

describing a group of numbers or a shape that has a clear boundary or limit.

For teachers: describing a set where an operation always produces a result within that set, or a curve that returns to its starting point.

- A circle is a closed curve because it has no beginning or end.
- The set of integers is closed under addition, meaning the sum of any two integers is always another integer.

## Examples

- Please close the door when you leave.
- The manager decided to close the meeting early because everyone had already agreed on the main points.
- After the final witness finished testifying, the lead attorney moved to close the case, confident that the evidence presented was sufficient for a conviction.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.