[ fan-tas-tik ]
See synonyms for: fantasticfantasticalityfantastically on

  1. extraordinarily good; excellent: a fantastic restaurant.

  2. Also fan·tas·ti·cal [fan-tas-ti-kuhl] /fænˈtæs tɪ kəl/ .

    • conceived or appearing as if conceived by an unrestrained imagination; odd and remarkable; bizarre; grotesque: The most fantastic rock formations are visible from the high plateau of the park’s rim trail.Artists rendered fantastic designs in the margin of the manuscript.

    • 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: You can’t let these fantastic fears of yours control your life.

    • extravagantly fanciful; marvelous: The scenery and lighting they created for the dream sequences are truly fantastic!

    • incredibly great or extreme; exorbitant: The rich are spending fantastic sums of money, even in this economy.

    • highly unrealistic or impractical: They hatched a fantastic scheme to make a million dollars betting on horse races.

Origin of fantastic

First recorded in 1350–1400; Middle English fantastik “pertaining to the imaginative faculty,” from Medieval Latin fantasticus, variant of Late Latin phantasticus, from Greek phantastikós “able to present the appearence (of something),” derivative of phantázein “to make present to the eye or mind” (akin to phānós “light, bright,” phaínein “to bring to light, cause to appear”) + -tikos -tic

synonym study For fantastic

2. See bizarre.

Other words from fantastic

  • fan·tas·ti·cal·ly, adverb
  • fan·tas·ti·cal·ness, fan·tas·ti·cal·i·ty [fan-tas-ti-kal-i-tee], /fænˌtæs tɪˈkæl ɪ ti/, noun
  • su·per·fan·tas·tic, adjective
  • su·per·fan·tas·ti·cal·ly, adverb
  • un·fan·tas·tic, adjective
  • un·fan·tas·ti·cal·ly, adverb

Words Nearby fantastic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use fantastic in a sentence

British Dictionary definitions for fantastic


/ (fænˈtæstɪk) /

adjectiveAlso: fantastical
  1. strange, weird, or fanciful in appearance, conception, etc

  2. created in the mind; illusory

  1. extravagantly fanciful; unrealistic: fantastic plans

  2. incredible or preposterous; absurd: a fantastic verdict

  3. informal very large or extreme; great: a fantastic fortune; he suffered fantastic pain

  4. informal very good; excellent

  5. of, given to, or characterized by fantasy

  6. not constant; capricious; fitful: given to fantastic moods

  1. archaic a person who dresses or behaves eccentrically

Origin of fantastic

C14 fantastik imaginary, via Late Latin from Greek phantastikos capable of imagining, from phantazein to make visible

Derived forms of fantastic

  • fantasticality or fantasticalness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012