1. n - World War III is the name that will refer to a future war that will involve the whole war. World War III is a war that should not happen, as it will probably result in the destruction of the entire planet.
World War III will be the apocalypse.
by Jesus Hong July 29, 2006
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Websters Dictionary once defined 'World War III' as: "A hypothetical war of the future involving nuclear and/or biological weapons and resulting in the near or total destruction of mankind."

There are also many, many books, novels, short stories, scenarios, pamphlets, tracts, magazines, comic books, movies, and television shows dealing with this subject.
The One True Comment on World War III:
"I don't know what weapons will be used in the Third World War, but the Fourth will see the survivors...armed with clubs!"--Albert Einstein
by Carl J. Maltese June 20, 2007
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The war that was supposed to happen in 1985, according to the novel written by British former General Sir John Hackett, entitled "The Third World War: The Untold Story".

Features the usual Cold War era nemeses (U.S.A. / U.S.S.R) and their respective allies (lackies) with fighting taking place in various theatres, notably central Europe and the Middle East.

First published in 1978, revised in 1982; commonly referred to under the genre of "future history", but can now of course be classified as "alternate history".
"The Third World War" makes references to much of the military hardware of the day (F-15 Eagle fighter jets, AH-64 Apache helicopter gunships, and Abrams tanks, just to name a few), as well as concentrated (but contained) nuclear attacks on Birmingham, UK and Minsk, USSR.

A very realistic and intriguing account of what COULD HAVE happened, but thank God, never did. And an excellent read.
by James August 11, 2004
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World War III: The world just got plain TIRED of us being asses...
by M.R.F.N May 1, 2007
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World War Three is generally thought of (Notably in Science-Fiction) as a Nuclear holocaust that would end up leaving the survivors in a primitive state of survival (Post-Apocalyptic World) hence the Fourth World War being Fought with sticks and stones following the destruction of the advanced technology & civilization by those same so-called advanced technologies & civilizations that are seemingly unable to stop destroying the world. The result of this process is to go back to the stage of the Stone Age so that the cycle of human folly can (most likely) repeat itself.

Once Albert Einstein was asked,"Can you say something about the Third World War?"
He replied:"No. I cannot say anything about the Third
World War, but I can say something about the fourth."
Einstein said:
-“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”

-"I know not with what weapons World War III will be fought with, but World War IV will be fought with sticks and stones."
(Variant)
-"I do not know how the Third World War will be fought, but I can tell you what they will use in the Fourth — rocks!"

-"Yes, I can say with absolute confidence about the fourth that it is not going to happen, because the third will be the last; it will finish all life on the earth."
by Simian Anarchist March 2, 2012
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(noun)

1. an exclusive time period in which adolescents and children under the age of 18 perpetually live during, wherein the dystopian tribes 'PewDiePie' and 'T-Series,' fight a never-ending battle to obtain more animalistic followers than one another.
"The kids wouldn't stop rambling on about World War III during their free time."
by 𝐸 = 𝓂𝒸² March 10, 2019
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A war that will most likely be started by the Canadians.
Damn Canadians started World War III.
by Swastikaa June 25, 2009
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