Dior US/ˌdiˈɔr/ uncommon noun 1. French couturier whose first collection in 1947 created a style that became known as the New Look (1905-1957) SynonymsChristian Dior Related words Word family dioramadiorite Broader terms couturier WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.