1. Imaginary, magical, or extraordinarily imaginative objects, events, or concepts that defy reality
The children loved reading about fantastical things in the fantasy novel.
As crianças adoravam ler sobre coisas fantásticas no romance de fantasia.
2. Remarkable or impressive things that seem unbelievable or extraordinary
The magician performed fantastical things that amazed the entire audience.
O mágico realizou coisas fantásticas que impressionaram toda a plateia.