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.

Syn. — Fanciful; imaginative; ideal; visionary; capricious; chimerical; whimsical; queer. See Fanciful.

FANTASTIC
Fan*tas"tic, n.

Defn: A person given to fantastic dress, manners, etc.; an eccentric
person; a fop. Milton.
Our fantastics, who, having a fine watch, take all ocasions to drow
it out to be seen. Fuller.

FANTASTICAL
Fan*tas"tic*al, a.

Defn: Fanciful; unreal; whimsical; capricious; fantastic.

FANTASTICALITY
Fan*tas`ti*cal"i*ty, n.

Defn: Fantastically. [Obs.]