- conceived or appearing as if conceived by an unrestrained imagination; odd and remarkable; bizarre; grotesque: fantastic rock formations; fantastic designs.
- fanciful or capricious, as persons or their ideas or actions: We never know what that fantastic creature will say next.
- imaginary or groundless in not being based on reality; foolish or irrational: fantastic fears.
- extravagantly fanciful; marvelous.
- incredibly great or extreme; exorbitant: to spend fantastic sums of money.
- highly unrealistic or impractical; outlandish: a fantastic scheme to make a million dollars betting on horse races.
- Informal. extraordinarily good: a fantastic musical.
Origin of fantastic
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for fantastically
In Revolution, Brand bemoans our “uninformed populace,” while repeatedly proving his point with fantastically wrong information.Russell Brand’s Revolution For Morons
November 2, 2014
The critics have not been kind, with The Guardian calling A Long Way Down “fantastically unconvincing.”Pierce Brosnan’s Life After Bond: From Action Hero to Losing His Daughter to Cancer
July 2, 2014
On Sleepy Hollow, it was convincingly, if fantastically, rendered.Was George Washington Among the Walking Dead?
January 26, 2014
More like fantastically well paying, brutal hours, and comparatively short.Microsoft CEO Steve Ballmer Finally Out After a 13-Year Reign
August 23, 2013
On Travolta, a truly embarrassing business in the front/party in the back mullet, and on her fantastically big '80s hair.Kelly Preston and John Travolta: Scientology’s Other Celebrity Wife
July 16, 2012
He did well at it, but he was fantastically old for this kind of business.The Game of Rat and Dragon
The chest was bare to the waist, and was also fantastically painted.Two Boys in Wyoming
Edward S. Ellis
He writes freely and fantastically, in spite of his early training.A Popular History of the Art of Music
W. S. B. Mathews
His appearance did not impress me as fantastically as it had impressed Colonel McClure.America First
These too are fantastically decorated with feathers, usually of the loon.The Dance Festivals of the Alaskan Eskimo
Ernest William Hawkes
- in a fantastic manner
- informal (intensifier)it's fantastically cheap
- strange, weird, or fanciful in appearance, conception, etc
- created in the mind; illusory
- extravagantly fanciful; unrealisticfantastic plans
- incredible or preposterous; absurda fantastic verdict
- informal very large or extreme; greata fantastic fortune; he suffered fantastic pain
- informal very good; excellent
- of, given to, or characterized by fantasy
- not constant; capricious; fitfulgiven to fantastic moods
- archaic a person who dresses or behaves eccentrically
Word Origin and History for fantastically
late 14c., "existing only in imagination," from Middle French fantastique (14c.), from Medieval Latin fantasticus, from Late Latin phantasticus "imaginary," from Greek phantastikos "able to imagine," from phantazein "make visible" (middle voice phantazesthai "picture to oneself"); see phantasm. Trivial sense of "wonderful, marvelous" recorded by 1938.