Meaning of CLOSED in English

CLOSED

/ kləʊzd; NAmE kloʊzd/ adjective

1.

[ not before noun ] shut :

Keep the door closed.

2.

[ not before noun ] shut, especially of a shop / store or public building that is not open for a period of time :

The museum is closed on Mondays.

This road is closed to traffic.

3.

not willing to accept outside influences or new ideas :

a closed society

He has a closed mind.

4.

[ usually before noun ] limited to a particular group of people; not open to everyone :

a closed membership

OPP open ➡ note at close (I)

IDIOMS

- behind closed doors

- a closed book (to sb)

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.