Open English Wordnet
Adjectives
(s)enormous, tremendousextraordinarily large in size or extent or amount or power or degree“an enormous boulder”, “enormous expenses”, “tremendous sweeping plains”, “a tremendous fact in human experience; that a whole civilization should be dependent on technology” (Walter Lippman), “a plane took off with a tremendous noise”
(s)fantastic, grand, howling, marvelous, marvellous, rattling, terrific, tremendous, wonderful, wondrous, phenomenalextraordinarily good or great; used especially as intensifiers“a fantastic trip to the Orient”, “the film was fantastic!”, “a howling success”, “a marvelous collection of rare books”, “had a rattling conversation about politics”, “a tremendous achievement”
(s)frightful, terrible, awful, tremendousextreme in degree or extent or amount or impact“in a frightful hurry”, “spent a frightful amount of money”