11 across
Kind
of
fool
whose
company
isn’t
wanted?
(10)
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0
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The whole clue is the definition (& lit or double definition).
How the clue works
This is a double definition. Kind of fool refers to a gooseberry fool, a classic British dessert made with gooseberries and cream. Whose company isn't wanted refers to the informal British expression "playing gooseberry," meaning being an unwanted third person in the company of a couple.