Legal Dictionary
Main Entry:
func·tus of·fi·cioPronunciation:
'f&[ng]k-t&s-&-'fi-shE-O, 'fu[ng]k-tus-o-'fE-kE-OFunction:
adjectiveEtymology: Latin, having performed his duty, having served its purpose
: of no further official authority or legal effect
functus officio —Cady v. Dombrowski, 413 U.S. 433 (1973)> functus officio> —used esp. of an officer who is no longer in office or of an instrument that has fulfilled its purpose