shut (someone/something) off

to separate someone or something from others.

A major interstate highway shuts the area off from the rest of the city.

When her husband died she shut herself off from everyone.

They just wanted to shut off all the people who had serious mental illnesses.

• clip someone's wings
• clip wings
• clip your wings
• cloak-and-dagger
• clock-watching
• close a sale
• close at hand
• close, but no cigar
• Close, but no cigar.
• close call
• closed-door
• close eyes to
• close eyes to something
• close its eyes to
• close its eyes to something
• close ranks
• close shave
• close the door on
• close the door on something
• close to heart
• close to home
• close to someone's heart
• close to the bone
• close to your heart
• close up shop