1. Severely destructive
   "cataclysmic nuclear war"; "a cataclysmic earthquake"
   - cataclysmal

See also: cataclysm, destructive

• marsh orchid
• marsh pea
• marsh pink
• marsh plant
• marsh rosemary
• marsh St-John's wort
• marsh tea
• marsh trefoil
• marsh wren
• marshal
• Marshal Saxe
• Marshal Tito
• marshall
• Marshall Islands
• Marshall McLuhan
• Marshall Plan
• marshalling yard
• Marshals
• marshalship
• marshland
• marshmallow
• marshmallow fluff
• marshy
• Marsilea
• Marsilea drummondii