ETYM French fantastique, from Greek, able to represent, from phainein to make visible. Related to Fancy.
1. Extravagantly fanciful and unrealistic; foolish.
2. Extraordinarily good; used especially as intensifiers; SYN. howling, marvelous, rattling, terrific, tremendous, wonderful, wondrous.
3. Existing in fancy only; SYN. fantastical.
4. Exceedingly or unbelievably great; SYN. phenomenal.
In a fanciful manner; SYN. whimsically.