This is the 14189th most frequent German word.
großartiger
"Großartiger" means "more magnificent" or "greater."
Here, 'großartiger' is used as an adjective (translated as 'excellent') to describe someone's storytelling skills, emphasizing their superior quality.
Er ist ein großartiger Erzähler.
He is an excellent storyteller.
In this sentence, 'großartiger' acts as an adjective describing the movie, emphasizing its impressive and outstanding nature.
Das war ein wirklich großartiger Film.
That was a truly excellent movie.
In this example, 'großartige' (feminine singular form) describes the idea, highlighting its notable and admirable qualities.