Entry 2 senses Webster, 1913 Colossal /kəl-äs'-əl/ · Co·los·sal · IPA /kəˈlɑsəl/ 01 a. Of enormous size; gigantic; huge; as, a colossal statue. 1. Of enormous size; gigantic; huge; as, a colossal statue. 2. Of a size larger than heroic. See Heroic.(Sculpture & Painting) See: Heroic