Webster's Revised Unabridged Dictionary · 1913

Peccant

Peccant , adjective

[Latin peccans, -antis, present participle of peccare to sin: compare French peccant.]

1.
Sinning; guilty of transgression; criminal; as, peccant angels. — Milton
2.
Morbid; corrupt; as, peccant humors. — Bacon
3.
Wrong; defective; faulty. [Rare] — Ayliffe

Peccant , noun

An offender. [Obsolete] — Whitlock