1. Very large; gargantuan.
1. the largest or most massive thing of its kind
- it was a leviathan among redwoods
- they were assigned the leviathan of textbooks
2. monstrous sea creature symbolizing evil in the Old Testament
Definition categories: person
Sentences with leviathan as a noun:
- That man was a leviathan! He took up a whole row of seats at the theatre.