Impracticable

a.	1.	Not practicable; incapable of being performed, or accomplished by the means employed, or at command; impossible; as, an impracticable undertaking.
	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. This though, impracticable heart Is governed by a dainty-fingered girl. - Rowe. Patriotic but loyal men went away disgusted afresh with the impracticable arrogance of a sovereign. - Palfrey.
	3.	Incapable of being used or availed of; as, an impracticable road; an impracticable method.

Adj.

1.

impracticable - not capable of being carried out or put into practice; "refloating the sunken ship proved impracticable because of its fragility"; "a suggested reform that was unfeasible in the prevailing circumstances" Synonyms: infeasible, unfeasible, unworkable

awkward, disadvantageous, impossible, impractical, inapplicable, inconvenient, infeasible, nonfunctional, troublesome, unacceptable, unachievable, unattainable, undesirable, unfeasible, unfit, unrealizable, unsatisfactory, unserviceable, unsuitable, unusable, unworkable, useless