supplementarysup·ple·men·ta·ry /ˌsʌpləˈmentəri◂/ adjectiveadj provided in addition to what is already thereIf a purchaser wishes to obtainsupplementary information, they should contact one of our representatives.
For most retired people, even those withsupplementary pensions, state welfare is a financial lifeline.
Supplementary financing will provide about 8 percent of funds.