1) any large, powerful monster or creature.

2) a giant whale in Greek (or is it Roman?) mythology.

3) a similar giant whale in Final Fantasy games.

4) title of a book by Thomas Hobbes, which gives an authoritarian argument that flaws in human nature make the state necessary.

5) a name for the state, especially an authoritarian and far-reaching state, derived from Hobbes's book.
The front cover of Hobbes's book shows a picture of a giant king, the state, made up of lots of little people.

The irony is that Hobbes is effectively advocating the creation of a "monster", which is what Leviathan initially was.
by Andy May 2, 2004
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1)~ One of the four dark princes (Satan, Lucifer, Belial, Leviathan) described in cHRISTIAN, and Jewish religous ideology. He also makes an apperence in the Satanic Bible (the Book of Leviathan)... in which he is considered the lord of the raging seas.

2)~ Leviathan is also an amazing one-man USBM band on Moribund Records, and has released two albums on the label at this time, "The Tenth Sub Level of Suicide" and "Tentacles of Whorror"
Hail the mighty Leviathan!!
by Totenkopt September 14, 2005
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Anyone named or deemed leviathan has a giant Penis and is also a sex machine.
Wow look it's Leviathan hid your girls.
by Leviathan223 March 20, 2019
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Leviathan is the highest level a man can reach. It takes influence from Thomas Hobbes theory of the state of nature and how we must submit ourselves to a higher power 'The Leviathan' The term is reserved for a select few special individuals. These men usually have unparalleled martial arts ability, the ability to satisfy any woman or animal, a flaccid penis that could touch the end of a pint glass, have released a number of power ballads or grime songs, have played in the African cup of nations etc. It would be wrong to think you have to be black to be a Leviathan, but it helps.
1. who's that over there? Its Lethal Bizzle. Wow hes such a leviathan.

2. Could you imagine showering with the ivory coast team, i no i couldn't even get to a bottom of a half pint glass, they are such leviathans

3. Bruce Willis is a white leviathan
by bigchrisd123 January 11, 2012
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A raid in destiny 2 that is so broken that the knowledge of the people towards the glitches separate the experienced and the new
“ Gauntlet encounter”
New player : Why is axe plate shooting my thing it’s wrong now.
Experienced player : stop whining you fuck am burning your plate.

“Royal pools”
Experienced player : we are soloing plates why are you coming to our side what are you even doing.
New player : Am going from top to top.
Experienced player : You joined a KWTD post do you even know how to do leviathan do you even know how to do a raid ?

Calus
New player : cu-
Experienced player : punch sun.
New player : how could you tell what to punch without us calling out ?
Experienced player : You ask way too many questions.
by Potatoass August 24, 2020
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