unsin

un- +‎ sin

• IPA^(key): /ʌnˈsɪn/

unsin (third-person singular simple present unsins, present participle unsinning, simple past and past participle unsinned)

1. (transitive) To undo or annul a past sin.
2. (obsolete, transitive) To deprive (a sin, etc.) of sinfulness; to make sinless.
   • 1623, Owen Feltham, Resolves: Divine, Moral, Political:

     when a ſin is paſt, grief may leſſen it , but not unſin it.

“unsin”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• Ninus, Sunni