1. Trendy. Eve's fashion choices are always au courant.

2. Prepared with the latest information about something. Please review these reports so that you are au courant with the latest market trends.

1. Of a person, not wearing something, typically clothing or make-up. Note the French spelling of "natural" in this phrase. We can't go to a nude beach—I don't want to see complete strangers au naturel! Jane always looks like a different person without her make-up, totally au naturel.

2. Of food, prepared in a very simple way. Note the French spelling of "natural" in this phrase. I know you're on a diet right now, so I prepared this au naturel, with no salt or sauces.