to put (a door, cover, etc.) in position to close or obstruct.

to close the doors of (often fol. by up )

to shut up a shop for the night.

to close (something) by bringing together or folding its parts

Shut your book. Shut the window!

to confine; enclose

to shut a bird into a cage.

to bar; exclude

They shut him from their circle.

to cause (a business, factory, store, etc.) to end or suspend operations

He shut his store, sold his house, and moved away. We're shutting the office for two weeks in June.

to bolt; bar.

to become shut or closed; close.

closed; fastened up

a shut door.

Phonetics . checked.

the act or time of shutting or closing.

the line where two pieces of welded metal are united. ?

shut down,

to settle over so as to envelop or darken

The fog shut down rapidly.

to close, esp. temporarily, as a factory; cease manufacturing or business operations.

Also, shut down on or upon. Informal . to hinder; check; stop.

shut in,

to enclose.

to confine, as from illness

She broke her leg in a fall and has been shut in for several weeks.

shut of, Informal . free of; rid of

He wished he were shut of all his debts.

shut off,

to stop the passage of (water, traffic, electricity, etc.); close off.

to isolate; separate

an outpost almost completely shut off from civilization.

shut out,

to keep from entering; exclude.

to hide from view.

to prevent (an opponent or opposing team) from scoring, as in a game of baseball.

shut up,

to imprison; confine.

to close entirely.

to stop talking; become silent

I thought the neighbors would never shut up and let me sleep.

to stop (someone) from talking; silence.