"Giant: noun (1) (in folklore) a being with human form but superhuman size, strength, etc; (2) a person or thing of unusually great size, power, importance, etc; major figure; legend; (3) (often initial capital letter) Classical Mythology, any of the Gigantes; adjective (1) unusually large, great, or strong; gigantic; huge; (2) greater or more eminent than others." http://www.dictionary.com/browse/giant "Colossus: noun, plural (1) (initial capital letter) the legendary bronze statue of Helios at Rhodes; (2) any statue of gigantic size; (3) anything colossal, gigantic, or very powerful." http://www.dictionary.com/browse/colossus "Behemoth: noun (1) an animal, perhaps the hippopotamus, mentioned in Job 40: 15-24; (2) any creature or thing of monstrous size or power." http://www.dictionary.com/browse/behemoth "Brobdingnag: noun; the region in Swift's Gulliver's Travels where everything was of enormous size." http://www.dictionary.com/browse/brobdingnag "Mammoth: noun; any large, elephantlike mammal of the extinct genus Mammuthus, from the Pleistocene Epoch, having hairy skin and ridged molar teeth; adjective; immensely large; huge; enormous." http://www.dictionary.com/browse/mammoth