au courant UK /əʊ kʊˈɹɒn(t)/US /ˌoʊ kʊˈɹɑnt/ adjective1 •Up to date; informed about the latest developments; abreast.As Hemingway once noted, Paris is an old city—and so even a 1946 film looks au courant: part of the aesthetic air. — 2013 formsmore au courant · most au courant