To move something into a position so that it blocks an opening; to close. verb
Please shut the door when you leave.
He shut the window to keep out the cold air.
To stop operating or functioning; to cease activity. verb
The factory will shut down for maintenance next week.
The computer shuts off automatically after an hour of inactivity.
To prevent access or entry; to exclude. verb
They were shut out of the meeting.
The club decided to shut its doors to new members.
Closed; not open. adjective
The store is shut on Sundays.
The gate was shut tight to keep the animals in.