sin 1  (s n)
n.
1. A transgression of a religious or moral law, especially when deliberate.
2. Theology
a. Deliberate disobedience to the known will of God.
b. A condition of estrangement from God resulting from such disobedience.
3. Something regarded as being shameful, deplorable, or utterly wrong.
intr.v. sinned, sin·ning, sins
1. To violate a religious or moral law.
2. To commit an offense or violation.
[Middle English sinne, from Old English synn; see es- in Indo-European roots.]