Synonyms of leviathan

Noun

1. leviathan, freak, monster, monstrosity, lusus naturae

usage: the largest or most massive thing of its kind; "it was a leviathan among redwoods"; "they were assigned the leviathan of textbooks"

2. leviathan, mythical monster, mythical creature

usage: monstrous sea creature symbolizing evil in the Old Testament

Definition and meaning of leviathan (Dictionary)