im·prac·ti·ca·ble 
/ɪmˈpræktɪkəbəl/ adjective
/ɪmˈpræktɪkəbəl/ adjective [more impracticable; most impracticable] formal : difficult or impossible to do or use : not practicable
▪ an impracticable plan ▪ an impracticable solution
▪ an impracticable plan ▪ an impracticable solution
— im·prac·ti·ca·bil·i·ty /ɪmˌpræktɪkəˈbɪləti/ noun [noncount]
▪ the impracticability of his plan
/ɪmˌpræktɪkəˈbɪləti/ noun [noncount] ▪ the impracticability of his plan
