Etymology
Advertisement

cataclysmic (adj.)

"pertaining to, or of the nature of, a cataclysm," 1837, from cataclysm + -ic. Related: Cataclysmical (1857); cataclysmically.

Advertisement
Advertisement
Definitions of cataclysmic

cataclysmic (adj.)
severely destructive;
cataclysmic nuclear war
a cataclysmic earthquake
Synonyms: cataclysmal
From wordnet.princeton.edu