Adjective > Fantastic

Adjective – Fantastic

1 : extremely good

That meal was fantastic! (=excellent, terrific)

We had a fantastic (=great, wonderful) time!

2 : extremely high or great

The train runs at fantastic speeds.

3 also fantastical /fænˈtæstɪkəl/ : very strange, unusual, or unlikely

He concocted a fantastical (=wild, outlandish) scheme to rob the casino.