Crossword Genius

Diana's bloomer is a catastrophe (8)

Ross

I believe the answer is:

disaster

'a catastrophe' is the definition.
('disaster' can be a synonym of 'catastrophe')

'diana's bloomer' is the wordplay.
'diana's' becomes 'Di's' (Di is short for Diana).
'bloomer' becomes 'aster' (aster is a kind of flowering plant).
'dis'+'aster'='DISASTER'

'is' is the link.

(Other definitions for disaster that I've seen before include "Star dies (anag)" , "Extreme event resulting in great loss and misfortune" , "Sudden catastrophe" , "complete failure" , "Event causing great damage" .)

I've seen this clue in The Globe and Mail.
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