That mountain wall, impracticable as it seems, we have to scale.
The advice was good, but in the present temper of the army it was felt to be impracticable.
He was altogether splendid, massive, overpowering, and impracticable.
Flight was humiliating and dreadful, but to remain in England was impracticable.
The ideal is as impracticable as it is puerile and retrograde.