World War III
Americannoun
Usage
What is World War III? World War III or World War Three (WW3) is a hypothetical, catastrophic global conflict.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“Will we,” he asks, “look back at this moment and realize that World War III had already started, and we just didn’t know it?”
From The Wall Street Journal • Apr. 16, 2026
Static on the radio warns that World War III might be underway.
From Los Angeles Times • Dec. 5, 2025
These pages are full of people with anxieties and worries — from worrying about World War III to a retiree with $1 million who is riddled with financial security.
From MarketWatch • Oct. 10, 2025
World War III hasn’t started yet, but it’s time to wake up and watch out.
From Salon • Apr. 16, 2024
Finally, with hindsight, how close did the world really come to World War III in October 1962?
From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
