Synonyms:
airy, impractical, visionary, Laputan, windy
Meaning: not practical or realizable; speculative; "airy theories about socioeconomic improvement"; "visionary schemes for getting rich"
Usage examples
No, no; with Mark Wylder it was quite out of the question--altogether visionary and impracticable.
In this obscurity he remained, with the character of a visionary and a man of unsettled mind, until the promulgation of the Rosicrucian philosophy in his part of Germany, toward the year 1607 or 1608.
Perhaps the pride of the ministers, whose business was seldom interrupted by reflection, might reject, as wild and visionary, every proposal, which exceeded the measure of their capacity, and deviated from the forms and precedents of office.