FANTASTIC

adj. 1 fanciful, strange, weird, peculiar, odd, eccentric, queer, bizarre, quaint, outlandish, exotic, extravagant, grotesque, nightmarish, alien, remarkable She wore the most fantastic costume to the fancy-dress ball 2 imaginary, illusory, illusive, unreal, visionary, fanciful, unrealistic, imagined, irrational His books are inhabited by fantastic creatures 3 unbelievable, incredible, preposterous, extraordinary, implausible, absurd, unlikely At 85, he made the fantastic decision to enter the marathon 4 marvellous, spectacular, splendid, wonderful, tremendous, overwhelming, Colloq great, fabulous, terrific The Picasso exhibition is simply fantastic