单词：ex-directory 

形容词

• 
  [1.a.ex-directory] (同义词:[ex-directory( adj. 不记载于电话号码簿的 )]  )
• 
  注释列句：(of telephone numbers) not listed in the telephone directory; "an ex-directory number" (British usage)
• 近义词 -> [unlisted( adj. 未列于表格的, 未上市的 )]