Definitions of impeccable

1. One who is impeccable; esp., one of a sect of Gnostic heretics who asserted their sinlessness.

2. without fault or error; " faultless logic"; " speaks impeccable French"; " timing and technique were immaculate"; " an immaculate record"

3. Not liable to sin; exempt from the possibility of doing wrong.

4. Not liable to sin.

5. IMPECCABILITY, IMPECCANCY.

6. Not liable or subject to sin.