Gigantesque :: Gigantesque (a.) Befitting a giant; bombastic; magniloquent.
Gigantic :: Gigantic (a.) Of extraordinary size; like a giant.
Gigantic :: Gigantic (a.) Such as a giant might use, make, or cause; immense; tremendous; extraordinarly; as, gigantic deeds; gigantic wickedness..
Giganticide :: Giganticide (n.) The act of killing, or one who kills, a giant..
Gigantomachy :: Gigantomachy (n.) A war of giants; especially, the fabulous war of the giants against heaven..