—v.t. 1. to charge (a purchaser) less than the proper or fair price.
2. to charge (a stated amount) less than the proper price: They undercharged several dollars for storing the goods. 3. to put an insufficient charge or load into.
—v.i. to charge too little.
—n. 1. a charge or price less than is proper or customary.
2. an insufficient charge or load.