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"非常に良い、または大きい驚異的
例:a fantastic trip to the Orient 東洋への素晴らしい旅行
fanciful and unrealistic; foolish; "a fantastic idea of his own importance"空想的で非現実的な荒唐無稽
例:a fantastic idea of his own importance 彼自身の重要性に関する空想的な考え
existing in fancy only; "fantastic figures with bulbous heads the circumference of a bushel"- Nathaniel Hawthorne空想の中でだけ存在しているさま架空
ludicrously odd; "Hamlet's assumed antic disposition"; "fantastic Halloween costumes"; "a grotesque reflection in the mirror"笑いを誘うほど奇妙な突飛