1. noun One who has earned the highest distinction in one's field, especially a chef. After studying with master chefs in France, Betty became a cordon bleu herself.

2. adjective Of the highest distinction in one's field. After studying with master chefs in France, Betty became a cordon bleu chef herself.

3. adjective Of food that has been prepared to the highest standard. At a five-star restaurant like that, you're guaranteed to get a cordon bleu dish.

4. adjective Stuffed with ham and cheese and then fried, as in the dish chicken cordon bleu. You don't need to make me a fancy dish like chicken cordon bleu—I'm fine with chicken nuggets!