Crossword Genius

Crumble gives autumn a role (4,5)

Ross

I believe the answer is:

fall apart

'crumble' is the definition.
(synonyms)

'autumn a role' is the wordplay.
'autumn' becomes 'fall' (synonyms).
'role' becomes 'part' (eg a part or role in a film).
'fall'+'a'+'part'='FALL APART'

'gives' is the link.

(Other definitions for fall apart that I've seen before include "Go to pieces" , "Come to pieces" , "Disintegrate" .)

I've seen this clue in The Mirror.
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