not sensible about practical matters; unrealistic; "as quixotic as a restoration of medieval knighthood"; "a romantic disregard for money"; "a wild-eyed dream of a world state"
having little or no weight or apparent gravitational pull; light; "floating freely in a weightless condition"; "a baby bat...fluffy and weightless as a moth"; "jackets made of a weightless polyester fabric"
characterized by fantastic imagery and incongruous juxtapositions; "a great concourse of phantasmagoric shadows"--J.C.Powys; "the incongruous imagery in surreal art and literature"