noun
doomsday
DOOMZ-day
noun
1
The imagined day of final judgment or the end of the world.
"The cult had been predicting doomsday for years."
adj
1
Predicting or relating to total, catastrophic destruction.
"The senator dismissed the report as doomsday thinking."
"Preppers stock their doomsday bunkers with years of supplies."
How to Use Doomsday
Learner’s notesIn plain EnglishThe end of the world, or anything (like a scenario or prediction) built around total catastrophe.
Common pairings
doomsday scenario
doomsday prepper
doomsday clock
Word Forms
doomsdays plural
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Etymology
From Old English dom ("judgment") plus dæg ("day") — literally "judgment day."