Err (ûr, r)
intr.v. erred, err·ing, errs
1. To make an error or a mistake.
2. To violate accepted moral standards; sin.
3. Archaic To stray.
4. to be incorrect
5. to stray from the right course or accepted standards; sin
6. to act with bias, esp favourable bias to err on the side of justice
To many people.. err without even realizing it...