dans le dictionnaire PONS
ex1 PRÉP
ex ˈall ADJ after subst FIN
I. ex ca·thedra [ˌekskəˈθi:drə] ADJ inv
1. ex cathedra form (unchallengeable):
I. ex-di·rec·tory [ˌeksdəˈrektəri] GB, Aus ADJ inv
II. ex-di·rec·tory [ˌeksdəˈrektəri] GB, Aus ADV inv
ex gra·tia [eksˌgreɪʃə] ADJ inv form
- ex gratia
-
I. ex of·fi·cio [ˌeksəˈfɪʃiəʊ, Am -oʊ] inv ADV ADMIN
ex-ˈprison·er SUBST
ex-ˈser·vice·man SUBST
- ex-serviceman
-