1. 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

Similar word(s): impossible, crazy, screwball, softheaded, meshuga, meshugga, meshugge, meshuggeneh, meshuggener, quixotic, romantic, unfunctional, unwieldy, unrealistic

2. not practical or realizable; speculative

Similar word(s): utopian, airy, laputan, visionary, windy