1. Insusceptible of reform
   "irredeemable sinners"
   - irreclaimable, unredeemable, unreformable 
2. (of paper money) not convertible into coin at the pleasure of the holder

See also: inconvertible, unconvertible, unexchangeable, wicked

• induct
• inductance
• inductance unit
• inductee
• induction
• induction accelerator
• induction coil
• induction heating
• induction motor
• induction of labor
• inductive
• inductive reasoning
• inductively
• inductor
• indue
• indulge
• indulgence
• indulgent
• indulgently
• indulging
• indument
• indumentum
• indurate
• indurated clay
• induration