›a class of people of high social rank›politics & governmentAn aristocracy is also a government ruled by or consisting of people of a high social class.aristocrat
/əˈrɪs·təˌkræt/, /ˈær·ə·stə-/n[C]›a prep-school-educated American aristocrataristocratic
/əˌrɪs·təˈkræt̬·ɪk/, /ˌær·ə·stə-/adj[gradable]›His aristocratic manner alienated many voters.