(medicine) Initialism of Doctor of Dental Surgery, a terminal higher education degree. / (electronics) Initialism of direct digital synthesis. / (computing) Initialism of data distribution service.

plural of DD

Initialism of designated driver. / Initialism of discharged dead: official designation of a sailor killed in combat / Initialism of direct debit. / Initialism of deficit disorder.

Abbreviation of Daman and Diu. / Abbreviation of Dadra and Nagar Haveli and Daman and Diu.

Initialism of developmentally disabled.

day, in two-digit, numeric format, as in dd/mm/yyyy

Alternative form of DDs; plural of DD

Alternative form of MRDD

Alternative form of MRDD

(BDSM) Initialism of daddy dom/little girl: a paraphilia involving ageplay between older male and younger female personas.