1. sinful or guilty of wrongdoing
Usage: formal; literary
2. violating a rule or principle
Usage: formal

Examples

• The judge condemned the peccant behavior of the corrupt officials.
• His peccant actions brought shame upon his family.
• The committee identified several peccant practices in the organization.
• She felt deeply remorseful for her peccant conduct.
• The audit revealed peccant financial procedures.
• The peccant student was suspended for cheating on the exam.