Gigantesque refers to something that is enormous or gigantic in size or scale. There are several synonyms for the word 'more gigantesque' that can be used to describe something that is even larger or more expansive than typical. Words such as colossal, mammoth, and monstrous all convey the sense of an object or concept that is incredibly massive. Other potential synonyms for more gigantesque might include words like towering, massive, or immense. When describing something that is truly awe-inspiring in its scope or scale, it's important to choose a word that truly captures the essence of its grandeur and size.