fiduciary.

1. Relating to a responsibility to act in the interests of another person or party when entrusted with authority or assets.

2. A person or organization entrusted to act for another party under duties appropriate to that relationship.

Use it for

Words that belong together

• fiduciary duty
• fiduciary relationship

On the page

The trustees’ fiduciary duty required them to consider the beneficiaries’ interests.

The adviser disclosed the conflict because the fiduciary relationship imposed duties beyond ordinary salesmanship.

Usage notes

Primary category: economics / business / social science. Forms: Relational adjective; no ordinary comparative or superlative. Noun singular fiduciary; plural fiduciaries. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: financial analysis, risk evaluation, comparison, explanation. Disciplines: economics, finance, business. Commonness: moderately common.