Definition of "letters after one's name" in English

Noun

1. A list of abbreviations, separated by commas, representing the academic qualifications and civil or military honors achieved by a person.

   • Again, as he was a mere student without any letters after his name, he got scant attention, and I never heard that he gained over a single supporter. - Sir Arthur Conan Doyle - The Stark Munro Letters - Page 16