Ŭn'im-pēach'a-ble, a.
a. Not to be impeached; exempt from liability to accusation; free from stain, guilt, or fault; irreproachable; blameless; as, an unimpeachable reputation; an unimpeachable claim or testimony.
a. Not to be impeached; exempt from liability to accusation; free from stain, guilt, or fault; irreproachable; blameless; as, an unimpeachable reputation; an unimpeachable claim or testimony.