definition of
ineffectual

[1] #1 ineffectual a. [ineffective, uneffective] not producing an intended effect; "an ineffective teacher"; "ineffective legislation". wn

[2] #2 ineffectual s. [futile, otiose, unavailing] producing no result or effect; "a futile effort"; "the therapy was ineffectual"; "an otiose undertaking"; "an unavailing attempt". wn