Synonyms of impractical

1. impractical (vs. practical), crazy, half-baked, screwball, softheaded, meshugge, meshugga, meshuga, meshuggeneh, meshuggener, quixotic, romantic, wild-eyed, unfunctional, unwieldy, impossible, unrealistic: usage: not practical; not workable or not given to practical matters; "refloating the ship proved impractical because of the expense"; "he is intelligent but too impractical for commercial work"; "an impractical solution"
2. airy, impractical, visionary, Laputan, windy, utopian (vs. dystopian): usage: not practical or realizable; speculative; "airy theories about socioeconomic improvement"; "visionary schemes for getting rich"