enormous, tremendous -- (extraordinarily 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")
fantastic, grand, howling, marvelous, marvellous, rattling, terrific, tremendous, wonderful, wondrous -- (extraordinarily 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")
frightful, terrible, awful, tremendous -- (extreme in degree or extent or amount or impact; "in a frightful hurry"; "spent a frightful amount of money")
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