Synonyms: wild-eyed, quixotic, romantic
Definition: not sensible about practical matters; idealistic and unrealistic
Usage: as quixotic as a restoration of medieval knighthood; a romantic disregard for money; a wild-eyed dream of a world state
Similar words: impractical
Definition: not practical; not workable or not given to practical matters
Usage: refloating the ship proved impractical because of the expense; he is intelligent but too impractical for commercial work; an impractical solution