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.
© Webster 1913.