im ‧ prac ‧ ti ‧ ca ‧ ble /ɪmˈpræktɪkəb ə l/ BrE AmE adjective formal
[ Word Family: noun : ↑ practical , practicalities, ↑ practicality ≠ ↑ impracticality , ↑ practicability ≠ ↑ impracticability ; adverb : ↑ practically ≠ ↑ impractically , ↑ practicably ≠ ↑ impracticably ; adjective : ↑ practicable ≠ ↑ impracticable , ↑ practical ≠ ↑ impractical ]
impossible or very difficult to do for practical reasons:
It was an appealing plan but quite impracticable.
—impracticably adverb
—impracticability /ɪmˌpræktɪkəˈbɪləti, ɪmˌpræktɪkəˈbɪlɪti/ noun [uncountable]