a. 1. Of or pertaining to a shows; of the nature of a show. “Spectacular sports.” G. Hickes. [ 1913 Webster ]
2. Adapted to excite wonder and admiration by a display of pomp or of scenic effects; as, a spectacular celebration of some event; a spectacular play. [ 1913 Webster ]
3. Pertaining to spectacles, or glasses for the eyes. [ 1913 Webster ]