Leviathan is a term used to describe something that is large, powerful, and imposing. However, sometimes you may want to describe something that is the opposite of leviathan, something small and insignificant. The antonyms for the word "more leviathan" include petite, mini, tiny, inconsequential, and insignificant. These words depict something that is not only small but also lacks the power and influence of a leviathan. So, if you want to describe something that is not large and overpowering, consider using one of these antonyms instead of "more leviathan.