[healthcare] Underinsurance is the state of an individual having some form of health insurance that does not offer complete financial protection. This results in the underinsured individual to therefore lack the ability to cover out-of-pocket healthcare expenses. There is not yet one clear definition that has been established to include all...
Found on
http://en.wikipedia.org/wiki/Underinsurance_(healthcare)

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.
Found on
https://www.infoplease.com/dictionary/underinsurance
No exact match found.