aristocrat UK /ˈæɹɪstəˌkɹæt/US /əˈɹɪstəˌkɹæt/ noun3 •One of the aristocracy, nobility, or people of rank in a community; one of a ruling class; a noble (originally in Revolutionary France).The remains of a Roman aristocrat have been unearthed by archaeologists in northern England. — 2023 •A proponent of aristocracy; an advocate of aristocratic government. •A cipher in which the original punctuation and spacing are retained. formsaristocrats