from The Century Dictionary.
- To deprive of sinful character or quality.
from the GNU version of the Collaborative International Dictionary of English.
- transitive verb obsolete To deprive of sinfulness, as a sin; to make sinless.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- verb transitive To
undoor annula past sin.
- verb obsolete, transitive To
deprive(a sin, etc.) of sinfulness; to make sinless.
from Wiktionary, Creative Commons Attribution/Share-Alike License
This over, he repaired to his room, where the work of absolution commenced; and, as there was a considerable number to be rendered sinless before the hour of dinner, he contrived to unsin them with an alacrity that was really surprising.
And this, as it is one of the best signs and evidences of a true repentance; so it is one of the most proper and genuine effects of it: for this is as much as in us lies to undo what we have done, and to unsin our sins.