Computer-executable and Impracticable

adjective

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

• (a.) Not practicable; incapable of being performed or accomplished by the means employed or at command; impossible; as, an impracticable undertaking.
• (a.) Not to be overcome, presuaded 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.
• (a.) Incapable of being used or availed of; as, an impracticable road; an impracticable method.