Unimpeachable
English Meaning
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.
- Difficult or impossible to impeach: an unimpeachable witness.
- Beyond reproach; blameless: unimpeachable behavior.
- Beyond doubt; unquestionable: "works of such unimpeachable greatness” ( Musical Heritage Review).