'Unimpeachable' definitions:

Definition of 'unimpeachable'

(from WordNet)
adjective
Beyond doubt or reproach; "an unimpeachable source"
adjective
Free of guilt; not subject to blame; "has lived a blameless life"; "of irreproachable character"; "an unimpeachable reputation" [syn: blameless, inculpable, irreproachable, unimpeachable]
adjective
Completely acceptable; not open to exception or reproach; "two unexceptionable witnesses"; "a judge's ethics should be unexceptionable" [syn: unexceptionable, unimpeachable]

Definition of 'Unimpeachable'

From: GCIDE
  • Unimpeachable \Un`im*peach"a*ble\, a. Not impeachable; not to be called in question; exempt from liability to accusation; free from stain, guilt, or fault; irreproachable; blameless; as, an unimpeachable reputation; unimpeachable testimony. --Burke. -- {Un`im*peach"a*ble*ness}, n. -- {Un`im*peach"a*bly}, adv. [1913 Webster]

Words containing 'Unimpeachable'