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The Collaborative International Dictionary of English v.0.48 (gcide)

Impracticable \Im*prac"ti*ca*ble\, a.
1. Not practicable; incapable of being performed, or
accomplished by the means employed, or at command;
impossible; as, an impracticable undertaking.
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2. Not to be overcome, persuaded, or controlled by any
reasonable method; unmanageable; intractable; not capable
of being easily dealt with; -- used in a general sense, as
applied to a person or thing that is difficult to control
or get along with.
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This though, impracticable heart
Is governed by a dainty-fingered girl. --Rowe.
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Patriotic but loyal men went away disgusted afresh
with the impracticable arrogance of a sovereign.
--Palfrey.
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3. Incapable of being used or availed of; as, an
impracticable road; an impracticable method.

Syn: Impossible; infeasible. -- {Impracticable},
{Impossible}. A thing is impracticable when it can not
be accomplished by any human means at present possessed;
a thing is impossible when the laws of nature forbid it.
The navigation of a river may now be impracticable, but
not impossible, because the existing obstructions may
yet be removed. "The barons exercised the most despotic
authority over their vassals, and every scheme of public
utility was rendered impracticable by their continued
petty wars with each other." --Mickle. "With men this is
impossible, but with God all things are possible."
--Matt. xix. 26.
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