INCAPABLE

adj. 1 Often, incapable of. unable (to), powerless (to), incompetent (to), unfit (to), unqualified (to), impotent (to), unequal to, not up to He seems incapable of completing his assignment 2 incapable of. insusceptible to, resistant to, impervious to, ill-disposed to, disinclined to, not open to He is incapable of dishonesty