WordReference Random House Unabridged Dictionary of American English © 2026
un•prac•ti•ca•ble
(un prak′ti kə bəl),USA pronunciation adj.
un′prac•ti•ca•bil′i•ty, un•prac′ti•ca•ble•ness, n.
un•prac′ti•ca•bly, adv.
- impracticable.
- un-1 + practicable 1640–50
un•prac′ti•ca•bly, adv.