Law Dictionary

functus officio

adjective func·tus of·fi·cio \ ˈfəŋk-təs-ə-ˈfi-shē-ō, ˈfu̇ŋk-tu̇s-ȯ-ˈfē-kē-ō \

legal Definition of functus officio

:of no further official authority or legal effect
  • the warrant… had been returned and was functus officio
  • Cady v. Dombrowski, 413 U.S. 433 (1973)
  • once an arbitrator makes an award she is functus officio
used especially of an officer who is no longer in office or of an instrument that has fulfilled its purpose

Origin and Etymology of functus officio

Latin, having performed his duty, having served its purpose


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serious difficulty or misfortune

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