Definition of "doomsday" []

• Judgment Day. (noun)
• Til For all time; forever. (idiom)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It's too early to know the impact Rita will have on the Gulf Coast refineries or on fuel prices as of yet, but at least one analyst says the nation will probably avoid what he calls a doomsday scenario of gasoline soaring to $5 a gallon."
• "I have a book at home, which I call my doomsday-book, where"
• "Rick Perry, however, is among those countering what he calls doomsday reports and proclamations that, 'Oh my God, it's going to be the end of the world.'"