impractical

adjectives

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"
impractical
antonym
practical
is similar to
foolish; totally unsound
"a crazy scheme"; "half-baked ideas"; "a screwball proposal without a prayer of working"
crazy, half-baked, screwball, softheaded
is similar to
senseless; crazy
meshuga, meshugga, meshugge, meshuggeneh, meshuggener
is similar to
not sensible about practical matters; idealistic and unrealistic
"as quixotic as a restoration of medieval knighthood"; "a romantic disregard for money"; "a wild-eyed dream of a world state"
quixotic, romantic, wild-eyed
is similar to
not related to or suitable for everyday needs or activities
unfunctional
is similar to
difficult to work or manipulate
"unwieldy rules and regulations"
unwieldy
see also
not capable of occurring or being accomplished or dealt with
"an impossible dream"; "an impossible situation"
impossible
see also
not realistic
"unrealistic expectations"; "prices at unrealistic high levels"
unrealistic
is an attribute of
concerned with actual use rather than theoretical possibilities
practicality
not practical or realizable; speculative
"airy theories about socioeconomic improvement"; "visionary schemes for getting rich"
Laputan, airy, impractical, visionary, windy
is derived from
impracticality