Efendi is a nobility title meaning a lord or master.It is a title of respect or courtesy which was used equivalent to the English Sir, in Turkey. It follows the personal name, when it is used, and is generally given to members of the learned professions, and to government officials who have no higher rank, such as Bey or Pasha. It may also indicate a definite office, as Hekim efendi, chief physician to the sultan. The possessive form efendim (my master) is used by servants and in formal intercourse.