WordNet (r) 3.0 (2006):
beyond doubt adv 1: in a manner or to a degree that could not be doubted; "it was immediately and indubitably apparent that I had interrupted a scene of lovers"; "his guilt was established beyond a shadow of a doubt" [syn: indubitably, beyond doubt, beyond a doubt, beyond a shadow of a doubt] adj 1: too obvious to be doubted [syn: beyond doubt(p), indubitable]