impeccable

Meanings

1. 1
   adj

   Perfect, without faults, flaws or errors

   He grew up in Norway, but he writes impeccable English.

2. 2
   adj

   Incapable of wrongdoing or sin; immaculate

   It was easy for James V to imprison Lady Glamis, but actually convicting her was far more difficult; her character was impeccable and she was highly respected by all who knew her.

3. 3
   adj

   without fault or error

4. 4
   adj

   not capable of sin

Etymology

From Middle French impeccable, from Latin impeccabilis (“not liable to sin”), from im- (“not”) + peccare (“to err, to sin”).