beyond doubt or reproach; an unimpeachable source'

free of guilt; not subject to blame; has lived a blameless life; of irreproachable character; an unimpeachable reputation

[ Syn: blameless , inculpable , irreproachable ]

completely acceptable; not open to exception or reproach; two unexceptionable witnesses; a judges ethics should be unexceptionable

[ Syn: unexceptionable ]