* Φανταστικός (fantastikós): This is a direct borrowing from the English word and is commonly used, especially in informal settings. It carries a similar meaning to the English "fantastic."
* Εκπληκτικός (ekpliktikós): This translates to "amazing" or "astonishing" and is a good choice if you want to emphasize the surprising or impressive aspect of something.
* Υπέροχος (ypérochos): This means "wonderful" or "splendid" and is suitable if you want to convey a sense of beauty or excellence.
* Μυθικός (mythikós): This translates to "mythical" or "legendary" and is appropriate if "fantastic" refers to something extraordinary or seemingly unreal.
* Απίστευτος (apisteutos): This means "unbelievable" or "incredible."
To choose the best translation, consider what aspect of "fantastic" you want to highlight.