chimerical

/kī-ˈmer-i-kəl/

chimera

adjective

  1. existing only as the product of unchecked imagination : fantastically visionary or improbable

  2. given to fantastic schemes

  3. relating to, derived from, or being a genetic chimera : containing tissue with two or more genetically distinct populations of cells

chimerical dreams of economic stability

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.