1. the positions or offices of trustees; the responsibilities and duties of managing property or affairs for others
2. territories administered by a country under the authority of the United Nations
Usage: historical; international law

Examples

• The bank offered several trusteeships for wealthy clients.
• She accepted multiple trusteeships after her father’s death.
• The lawyer managed trusteeships for three different families.
• After World War II, several trusteeships were established in the Pacific.
• The United Nations oversaw various trusteeships until their independence.
• His trusteeships required careful financial management and reporting.