Fan*tas"tic (?), a. [F. fantastique, fr. Gr. &?;&?;&?;&?;&?;&?;&?;&?;&?;&?;&?; able to represent, fr. &?;&?;&?;&?;&?;&?;&?;&?;&?; to make visible. See Fancy.] 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.

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

Fan*tas"tic, n. 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 draw it out to be seen.

• Existing in or constructed from fantasy; of or related to fantasy; fanciful.
       
• He told fantastic stories of dragons and goblins.
       
• His fantastic post-college plans had all collapsed within a year of graduation.
       
• She had a fantastic of her own importance that none of her colleagues shared.
  
• Not believable; implausible; seemingly only possible in fantasy.
       
• The events were so fantastic that only the tabloids were willing to print it.
       
• She entered the lab and stood gaping for a good ten minutes at the fantastic machinery at work all around her.
  
• Wonderful; marvelous; excellent; extraordinarily good (used especially as an intensifier).
       
• "I had a simply fantastic vacation, and I can't wait to tell you all about it!"