Not having planned to leave? (9)

I believe the answer is:

intestate

'not having planned to leave?' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for intestate that I've seen before include "One without will" , "Not having planned to leave" , "not prepared to leave" , "Dying thus, one leaves no will" , "Lacking a will" .)

I've seen this clue in The Sun.

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