quixotic

/kwik-ˈsä-tik/

Don Quixote

adjective

  1. foolishly impractical especially in the pursuit of ideals; especially : marked by rash lofty romantic ideas or extravagantly chivalrous action

  2. capricious, unpredictable

imaginary fanciful visionary fantastic chimerical quixotic mean unreal or unbelievable. imaginary applies to something which is fictitious and purely the product of one's imagination. fanciful suggests the free play of the imagination.