ex officio[adjective]Synonyms: official, authoritative, ex cathedra
[TahlilGaran] English Synonym Dictionary ▲
ex-of‧fi‧ci‧o /ˌeks əˈfɪʃiəʊ $ -ʃioʊ/
adjective formal an ex-officio member of an organization is only a member because of their rank or position
—ex officio adverb [TahlilGaran] Dictionary of Contemporary English ▲