ex officio

From Latin.

• IPA^(key): /ˌɛks əˈfɪʃioʊ/

ex officio (not comparable)

1. By virtue of the office that originated it, or of the title held.

   The President of the Republic of France is, ex officio, also prince of the dyarchy called Andorra.

   • Samuel Taylor Coleridge

     That friend […] added, with a smile, that he had more than once amused himself with the thought of a verbarian Attorney-General, authorized to bring informations ex officio against the writer or editor of any work in extensive circulation, who, after due notice issued, should persevere in misusing a word.

ex officio (not comparable)

1. By virtue of the office that originated it, or of the title held.
   • 1989, H. T. Willetts (translator), Aleksandr Solzhenitsyn (author), August 1914, Farrar, Straus and Giroux, →ISBN, page 136:

     Meanwhile, to Samsonov’s annoyance, Colonel Knox had arrived in Ostrolenka. Why, nobody knew—probably just to convey the goodwill of the British, who would not themselves be landing on the Continent for another six months. Samsonov disliked those artificial, ex officio European smiles at the best of times, and this visitor would be a hindrance and a distraction just at present.