·adj Having the nature of a phantom; unreal.
II. Fantastic ·adj Existing only in imagination; fanciful; imaginary; not real; chimerical.
III. Fantastic ·noun A person given to fantastic dress, manners, ·etc.; an eccentric person; a fop.
IV. Fantastic ·adj Resembling fantasies in irregularity, caprice, or eccentricity; irregular; oddly shaped; grotesque.
V. Fantastic ·adj Indulging the vagaries of imagination; whimsical; full of absurd fancies; capricious; as, fantastic minds; a fantastic mistress.