1. Insusceptible of reform
   - irreclaimable, irredeemable, unreformable

See also: wicked

• Perspex
• perspicacious
• perspicaciously
• perspicaciousness
• perspicacity
• perspicuity
• perspicuous
• perspicuously
• perspicuousness
• perspiration
• perspiratory
• perspire
• perspirer
• perspiring
• persuadable
• persuade
• persuader
• persuasible
• persuasion
• persuasive
• persuasively
• persuasiveness
• pert
• pertain
• pertainym