lowball
adjective [ before noun ]
US informal uk/ˈləʊbɔːl/ usat a level that is unfairly low:
lowball bid/offer/price The board issued a statement to make it clear that they would not consider any lowball offers.
lowball
verb [ T ]
US informal uk/ˈləʊbɔːl/ usto calculate something at a price or level that is unfairly low :
The campaign accused insurance companies of using computer programs designed to lowball claims and increase company profits.