Related Clues:

• Some flood is, as termed, washout
• Catastrophe as diet's ruined with little resistance
• Ill-fitting strides, a catastrophe
• Big-time letdown
• Calamity as Diana succeeded Daisy
• Daughter is sitting on flower? Catastrophe!
• Calamity – I'd assert (anag)
• Attractive person cut flower? Calamity!
• Dumpster fire-level blunder