fantastic

fantastic is an   Adverb

Definition:

[1] Existing only in imagination; fanciful; imaginary; not real; chimerical.

[2] Having the nature of a phantom; unreal. Shak.

[3] Indulging the vagaries of imagination; whimsical; full of absurd fancies; capricious; as, fantastic minds; a fantastic mistress.

[4] Resembling fantasies in irregularity, caprice, or eccentricity; irregular; oddly shaped; grotesque. There at the foot of yonder nodding beech, That wreathes its old fantastic roots so high. T. Gray.

Synonyms: