Crossword Genius

Loosen at a French party (4)


I believe the answer is:


'loosen' is the definition.
(I know that loosen can be written as undo)

'at a french party' is the wordplay.
'at' means one lot of letters go next to another.
'a french' becomes 'un' ('a' in French).
'party' becomes 'do' (do is a kind of party).
'un'+'do' is 'UNDO'.

(Other definitions for undo that I've seen before include "Cause the ruin of, or cancel" , "Cause to become loose" , "Cause downfall" , "Dismantle - destroy" , "Unfasten, loosen" .)

I've seen this clue in The Mirror.
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