ex officio
adverb or adjective
ex of·fi·cio
ˌek-sə-ˈfi-shē-ˌō 
-sē-
: by virtue or because of an office
the Vice President serves ex officio as president of the Senate
Examples of ex officio in a Sentence
Recent Examples on the Web
The institute's president, Ambassador George Moose, was also ousted by ex officio board members Secretary of State Marco Rubio and Defense Secretary Pete Hegseth.
—
Melissa Quinn, CBS News, 19 May 2025
In addition to the board members, the institute's president, George Moose, was also fired by ex officio board members, Secretary of State Marco Rubio, Defense Secretary Pete Hegseth and Vice Admiral Peter Garvin.
—Melissa Quinn, CBS News, 19 Mar. 2025
More specifically, the nonprofit accused the LGBTQ Caucus Leadership Fund — where Lara was an ex officio member and former vice chair — of accepting $122,500 from insurance companies in 2021 and 2022, then directing a similar amount to committees supporting Lara’s re-election.
—Jeff McDonald, San Diego Union-Tribune, 21 Feb. 2025
Leaders of the institution, which is in the shadow of the U.S. Capitol, have preferred not to anger incoming presidents, whose secretaries of state also serve as ex officio trustees of the museum.
—Zachary Small, New York Times, 24 Jan. 2025
See All Example Sentences for ex officio
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Melissa Quinn, CBS News, 19 May 2025
In addition to the board members, the institute's president, George Moose, was also fired by ex officio board members, Secretary of State Marco Rubio, Defense Secretary Pete Hegseth and Vice Admiral Peter Garvin.
—Melissa Quinn, CBS News, 19 Mar. 2025
More specifically, the nonprofit accused the LGBTQ Caucus Leadership Fund — where Lara was an ex officio member and former vice chair — of accepting $122,500 from insurance companies in 2021 and 2022, then directing a similar amount to committees supporting Lara’s re-election.
—Jeff McDonald, San Diego Union-Tribune, 21 Feb. 2025
Leaders of the institution, which is in the shadow of the U.S. Capitol, have preferred not to anger incoming presidents, whose secretaries of state also serve as ex officio trustees of the museum.
—Zachary Small, New York Times, 24 Jan. 2025
See All Example Sentences for ex officio
Cite this Entry
“Ex officio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ex%20officio. Accessed 30 Jun. 2025.
Copy CitationKids Definition
ex officio
adverb or adjective
ex of·fi·cio
ˌeks-ə-ˈfish-ē-ˌō
-ˈfis-
: because of an office
the Vice President serves ex officio as president of the Senate
Legal Definition
ex officio
adverb or adjective
ex of·fic·io
ˈeks-ə-ˈfi-shē-ō, -sē-ō
: by virtue or because of an office
the Vice President serves ex officio as president of the Senate
an ex officio member of the board
Etymology
Late Latin
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