colossal
kuh-LOS-uladjMeaning enormous; huge enough to fill you with awe
Memory hook COLOSSUS: a statue so big it awes. The giant statue at the harbor is so tall that the sailing ships look like toys at its feet. It is colossal.
A colossal statue towered over the harbor, dwarfing the ships below.
In context The project was a colossal undertaking: three thousand workers, ten years and enough steel to build a small city.
Similar huge, enormous, gigantic, vast
Opposite tiny, minuscule, diminutive
From colossus, a gigantic statue, from Greek kolossos; the most famous was the huge bronze Colossus that stood at the harbor of Rhodes.