to close or shut a physical object such as a door or window, or to exit a computer program

closed off from the outside world or isolated from external input

to close or shut (typically eyes, mouth, or a physical opening)

the curtain falls or is lowered at the end of a theatrical performance

to go bankrupt or close down permanently due to financial failure

to confine, detain, or lock someone in a room or a specific place as a form of restraint or punishment; to place under enforced isolation.

to shut up; to stop talking

to stop up, close up, or obstruct a passage

to close by coming together, such as the edges of a wound or elevator doors

to put in detention or solitary confinement (especially of a soldier or a student)

to close off a country's borders or passes from international trade and contact

to stay inside one's house and not go out; to isolate oneself from the outside world.

closed-circuit television

to be kept closed or sealed so that air or liquid cannot enter or escape

to close one's eyes, often for the purpose of concentration, prayer, or rest.

to lock; to block off

to close a meeting or adjourn a session

to relax with one's eyes closed

closedness; encapsulation

to work on a project in isolation, without considering practical conditions or outside realities

(fig.) denial of entry; flat refusal; cold rebuff

(of libraries, museums, etc.) to be closed

to close a country off from the outside world and exclude foreign contact

close the country to international intercourse

to refuse to say anything about or to avoid mentioning a particular subject

possessing female beauty so great that it outshines the natural world (literally 'hiding the moon and shaming the flowers')

shut oneself up and ponder over one's mistakes

to keep silent; to refuse to say a word

to be refused entrance or find the door closed

lit. doors not locked at night; fig. a stable, safe society

amenorrhoea

to turn a blind eye

to shut one's eyes and stop one's ears; to be out of touch with reality or ill-informed about the current situation

closed set (math.)

closure (math.)

a field in which every non-constant polynomial with coefficients in the field has a root in the field

deeply closed off and refusing to accept advice or outside ideas; stubbornly and perversely unreceptive

lock-up period (on stock options or investment shares)

to act blindly or handle matters without a clear understanding of the actual situation

To shut oneself away to focus on writing; the serious hard work of creative composition.

to shut the door in someone's face

a sealed cargo hold or cabin

a category of chess openings beginning with the moves 1. d4 d5 (Double Queen Pawn Opening)

to act high and mighty or make a big fuss over a small matter