not listed in a telephone directory, by request, and not disclosed to inquirers
WordReference Random House Unabridged Dictionary of American English © 2025
ex-di•rec•to•ry
(eks′di rek′tə rē, -trē, -dī-),USA pronunciation adj. [Brit.]
- British Terms(of a telephone number) unlisted in a telephone directory.
- 1935–40
Collins Concise English Dictionary © HarperCollins Publishers::
'ex-directory' also found in these entries (note: many are not synonyms or translations):