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cataclysm

1 ENTRIES FOUND:
cataclysm /ˈkætəˌklɪzəm/ noun
plural cataclysms
cataclysm
/ˈkætəˌklɪzəm/
noun
plural cataclysms
Britannica Dictionary definition of CATACLYSM
: something that causes great destruction, violence, etc.
[count]
[noncount]

— cataclysmic

/ˌkætəˈklɪzmɪk/ adjective [more cataclysmic; most cataclysmic]