Synonyms of ginormous

1 Syllable
vast
2 Syllables
monster, whopping, jumbo, epic, mammoth, mega
3 Syllables
tremendous, sizeable, humungous, cyclopean, humongous, enormous, gigantic, prodigious, colossal, massive
4 Syllables
monumental, astronomic, bunyanesque, gigantesque
5 Syllables
astronomical, considerable