1. Charge (someone) too little money
   "The store accidentally undercharged me for the expensive item"

1. A price that is too low
   "The accidental undercharge on the invoice was quickly corrected by the accounting department"
    
2. An insufficient charge
   "The store realized they had made an undercharge on the expensive item"

Derived forms: undercharged, undercharges, undercharging

Type of: bill, burster, bursting charge, charge, explosive charge