adj. 25B6; adjective
the legal sanctions are impotent : POWERLESS, ineffective, ineffectual, inadequate, weak, useless, worthless, futile; poetic/literary impuissant.
forces which man is impotent to control : UNABLE, incapable, powerless.
an impotent opposition party : WEAK, powerless, ineffective, feeble.
powerful, effective.