inexecutable

from The Collaborative International Dictionary of English v.0.48
Inexecutable \In*ex"e*cu`ta*ble\, a. [Pref. in- not +
   executable: cf. F. inex['e]cutable.]
   Incapable of being executed or performed; impracticable;
   infeasible.
   [1913 Webster]
    

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