(adj) so great in size or force or extent as to elicit awe, Syn. prodigious, stupendous, Example:colossal crumbling ruins of an ancient temple; has a colossal nerve; a prodigious storm; a stupendous field of grass; stupendous demand
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
a. [ Cf. F. colossal, L. colosseus. See Colossus. ] 1. Of enormous size; gigantic; huge; as, a colossal statue. “A colossal stride.” Motley. [ 1913 Webster ]
2. (Sculpture & Painting) Of a size larger than heroic. See Heroic. [ 1913 Webster ]