1. ex-directory - Adjective
2. ex-directory - Adjective Satellite
(of telephone numbers) not listed in the telephone directory
Source: WordNetex directory
an ex-directory number Source: Internet
Context makes it easy to figure out that what this British character calls “ex-directory” an American would call “unlisted.” Source: Internet
‘As Mike himself points out, if Mr Horgan has chosen not to go ex-directory, even though he's the director of a number of companies, then he is asking for trouble.’ Source: Internet