fəˈduːʃiˌeri,
British fɪˈdjuːʃiəri
formal
: relating to or involving trust (such as the trust between a customer and a professional)
a fiduciary capacity/duty
a bank's fiduciary obligations
Cite this Entry
“Fiduciary.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/fiduciary. Accessed 16 Apr. 2026.
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