cataclysmal
/ˌkætəˈklɪzməl/
involving violent upheaval; world-ending in scale
cataclysmal in a sentence
“The cataclysmal event ended the Bronze Age.”
Origin of cataclysmal
Greek kataklysmos (flood, deluge)
Related Words
prediluvian
from before the Flood; belonging to a lost age
atlantean
possessing great strength or advanced knowledge; relating to a lost golden age
lemurian
relating to a lost prehistoric continent or ancient wisdom
hyperborean
relating to the far north; beyond the reach of the north wind
antediluvian
ridiculously old-fashioned; from before the biblical Flood
sunken
submerged beneath water; fallen from former glory