Crossword clues for the word: SDR The word SDR has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for SDR Showing 1 to 6 of 6 results Clue(s) "E-mail writer, e.g. (abbr.)" Dispatcher: Abbr. IMF monetary unit One who transmits: Abbr. Transmitter: Abbr. User of mails: Abbr.