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Meaning approximatly "fear(s) nothing", the word first came into use as a name for a class of large (sail) ships, dominant during the early 20:th century. The word has often appeared (occationally with slight difference in spelling, e.g. Dreadnaught).

Examples of modernised usage include (different, fictional) classes of ships, especially spacecraft within various sci-fi franchises, Spacemarine Dreadnoughts from GW:s Warhammer 40K franchise (sarcophagus-like warmachines which hold the remains of fallen, near-incapacitated heroes of the Imperium) and a guitar body. The word also commonly appears as a synonym for just about anything "big" or, in some cases, strong, impressive of awe-inspiring.
Person 1: Am I wrong, or is a dreadnought not a ship-class from mass effect?

Person 2: A dreadnought can be many things, my friend...
by Kahiron July 19, 2012
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Jun 22 Word of the Day
Taken in the contest of the song Baby's Got Back by Sir-Mix-Alot he is referring to Florence Griffith Joyner a track athlete in the 1988 Olympics who defiantly fits all the other descriptions of what he likes in women mentioned in that song. Not some soda why on earth would you want to keep your women like a soda anyway?
You can have them bimbos,
I'll keep my women like Flo Jo
by Pdough May 15, 2006
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one that is among the largest or most powerful of its kind
by Diaren Whan October 06, 2003
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One that is among the largest or most powerful of it's kind
SEE- Aaron Diaz; once named dreadnought of cartoonists

nerd 1 - hey dude, who do you reckon is the best cartoonist?
nerd 2 - Aaron Diaz, for sure. Have you seen Dresden Codak?
by eyks February 15, 2014
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A heavily armed sarcophagus of one of the Imperiums finest warriors.
Space Marine 1: "We're getting destroyed by all these fucking Orks!"
Space Marine 2: "Look, here comes a Dreadnought!"
Dreadnought: "I have waited long for this day."
<Dreadnought massacures Ork army>
Space Marine 1: "LOL"
by God-Emperor of Mankind May 19, 2008
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A dreadnought was a type of battleship that emerged in the early 20th century. It all started in 1906, when the Royal Navy launched HMS Dreadnought. With its steam turbine engine, and uniform “all big gun” battery, its design was so superior that it made literally every other battleship in the world completely obsolete. The USA, UK, Germany, France, Italy, Japan, Russia, Spain, the Austro-Hungarian Empire, and even Chile, Brazil and Argentina frantically began building and buying ships of this type, which collectively became known as “dreadnoughts”. This “dreadnought race” is comparable to the nuclear arms race of the Cold War. Dreadnoughts were enormously expensive, and a nation’s technological, economic and industrial power was measured by how many dreadnoughts it possessed. Dreadnoughts ruled the waves up until WWII, when the age of battleships in general came to an end. Aircraft carriers and naval aviation superseded them as the key striking power of a modern fleet.
British and German dreadnoughts clashed inconclusively during WWI in 1916 at the battle of Jutland, considered by some the largest naval battle in history.

Spain built three dreadnoughts of the España class. Because of the feeble Spanish economy, they were the smallest dreadnoughts ever built. They did see combat action, but all three were destroyed in rather ignominious ways.
by A solid cube of tungsten November 01, 2019
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A turd of gargantuan proportions.
I keep flushing, but the dreadnought remains.
by TheDefenestrator April 15, 2005
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