cut off
cut off {v.}
1. To separate or block.
The flood cut the townspeople off from the rest of the world.
The woods cut off the view.
His rudeness cuts him off from friends he might have.
2. To interrupt or stop.
The television show was cut off by a special news report.
We were told to pay the bill or the water would be cut off.
3. To end the life of; cause the death of.
Disease cut Smith off in the best part of life.
4. To give nothing to at death; leave out of a will.
Jane married a man her father hated, and her father cut her off.
Frank's uncle cut him off without a penny.
5. To stop from operating; turn a switch to stop.
The ship cut off its engines as it neared the dock.
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Source: A Dictionary of American Idioms