The most common and most likely answer to this crossword clue is the 10 letter word DISINHERIT
I've seen this crossword clue in The Daily Telegraph
D
I
S
I
N
H
E
R
I
T
More clues leading to the result DISINHERIT
- Cut off woman getting evil, the female with oomph
- Ride in this buggy cut off
- Daughter has entered hospital with mounting fatigue, cut off
- Cut off? Organise ride in this
- Delete from Will‘s Tinder his raving about me subjectively
- Inner Greenland is in her itinerary, being cut off
- Refuse to leave the house?
- Garibaldis in her Italian cases cast aside by Will
- Cut off in this dire resort
- Madrid is in her itinerary, but part can be cut off
Buddy explains!

The straight part
We know that "cut off" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cut off = disinherit.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DISINHERIT mean?
DISINHERIT verb- To exclude from inheritance; to disown.