Definition from Wiktionary, the free dictionary
leviathan (not comparable)
- Very large; gargantuan.
very large; gargantuan
leviathan (plural leviathans)
- (biblical) A vast sea monster of tremendous strength, described as the most powerful and dangerous creature in the ocean.
- Something large; behemoth.
- That man was a leviathan! He took up a whole row of seats at the theatre.
Biblical sea monster