uberrimae fidei
adjective | \ yü-ˈber-i-ˌmē-ˈfī-dē-ˌī, ü-ˈber-ē-ˌmī-ˈfē-dā-ˌē \ | uber·ri·mae fi·dei
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: of the utmost or perfect good faith contracts of insurance are traditionally contracts uberrimae fidei