[adj] causing extreme terror; "a terrifying wail"
[adj] very great or intense; "a terrific noise"; "a terrific thunderstorm storm"; "fought a terrific battle"
[adj] extraordinarily good; 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"