IMPOTENT

adj. 1 weak, powerless, helpless, frail, feeble, enervated, debilitated, infirm When it came to political influence, I was impotent 2 inadequate, ineffective, ineffectual, inept, incompetent The attempted robbery was a half-hearted, impotent effort 3 sterile, barren, infertile, infecund They never had any children because Dixon was impotent