underinsurance: Meaning and Definition of

un•der•in•sur•ance

Pronunciation: (un'dur-in-shoor"uns, -shûr"-), [key]
— n.
  1. insurance purchased against damage or loss of property in an amount less than its true value, sometimes bought intentionally by the insured with full knowledge of the risk.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.