cataclysm

• cataclysm

cataclysm

Noun

a sudden violent change in the earth's surface

Synonyms:

• catastrophe
• cataclysm

Noun

an event resulting in great loss and misfortune; "the whole city was affected by the irremediable calamity"; "the earthquake was a disaster"

Synonyms:

• calamity
• catastrophe
• disaster
• tragedy
• cataclysm