Pronunciation: (im-prak'ti-ku-bul),[key] —adj. 1. not practicable; incapable of being put into practice with the available means: an impracticable plan. 2. unsuitable for practical use or purposes, as a device or material.
3. (of ground, places, etc.) impassable.
4. (of persons) hard to deal with because of stubbornness, stupidity, etc.