english word · 2026-06-17

fiduciary

noun

Meaning

A person or organization that acts on behalf of another, putting their clients' interests ahead of their own, with a foundation of absolute trust and good faith. It can also be used as an adjective to describe this relationship of integrity.

Etymology

Derived from the Latin 'fiducia', meaning trust or confidence.

Examples

"As a fiduciary, she felt a profound moral obligation to protect the widow's inheritance from volatile market trends."

"The board of directors serves a fiduciary role, ensuring the company's long-term health for its shareholders."

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