FANTAS'TIC, FANTAS'TICAL, adjective [Gr. vision, fancy, from to appear.] 1. Fanciful; produced or existing only in imagination; imaginary; not real; chimerical. 2. Having the nature of phantom; apparent only. 3. Unsteady; irregular. 4. Whimsical; capricious; fanciful; indulging the vagaries of imagination; as fantastic minds; a fantastic mistress. 5. Whimsical; odd.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI