leviathan.
A vast sea monster of tremendous strength, either imaginary or real, described as the most dangerous and powerful creature in the ocean.
Meaning & usage
A vast sea monster of tremendous strength, either imaginary or real, described as the most dangerous and powerful creature in the ocean.
A thing which is monstrously great in size, strength, etc. (especially a ship); also, a person with great power or wealth.
Sometimes in the form Leviathan: based on the writings of Thomas Hobbes, the political state, especially a domineering and totalitarian one.
Synonym of Satan (“the supreme evil spirit in the Abrahamic religions, who tempts humanity into sin; the Devil”).
Where this word comes from
The noun is derived from Middle English leviathan, levyathan, levyethan, from Late Latin leviathan, a transliteration of Biblical Hebrew לִוְיָתָן (liwyāṯān), possibly from לִוְיָה (liwyâ, “garland, wreath”) + ־תָּן (-tān, suffix forming agent nouns), literally “the tortuous one”. Noun sense 2.2 (“political state”) was coined by English philosopher Thomas Hobbes (1588–1679) in his work Leviathan (1651): see the quotation. Noun sense 2.3 (“synonym of Satan”) refers to Isaiah 27:1 in the Bible (King James Version, spelling modernized): “In that day the Lord with his sore and great and strong sword shall punish Leviathan the piercing serpent, even Leviathan that crooked serpent, and he shall slay the dragon that is in the sea.” The adjective is from an attributive use of the noun.
Very large; enormous, gargantuan.
Where this word comes from
The noun is derived from Middle English leviathan, levyathan, levyethan, from Late Latin leviathan, a transliteration of Biblical Hebrew לִוְיָתָן (liwyāṯān), possibly from לִוְיָה (liwyâ, “garland, wreath”) + ־תָּן (-tān, suffix forming agent nouns), literally “the tortuous one”. Noun sense 2.2 (“political state”) was coined by English philosopher Thomas Hobbes (1588–1679) in his work Leviathan (1651): see the quotation. Noun sense 2.3 (“synonym of Satan”) refers to Isaiah 27:1 in the Bible (King James Version, spelling modernized): “In that day the Lord with his sore and great and strong sword shall punish Leviathan the piercing serpent, even Leviathan that crooked serpent, and he shall slay the dragon that is in the sea.” The adjective is from an attributive use of the noun.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.