Everyday Words:
* Bon appétit: A common phrase used before meals, meaning "Enjoy your meal."
* Déjà vu: The feeling of having experienced something before.
* Faux pas: A social blunder or mistake.
* Cliché: An overused phrase or idea.
* Rendezvous: A meeting or appointment.
* RSVP: (Répondez s'il vous plaît) - Please respond.
* Encore: A request for a performer to repeat a performance.
* Voila: Used to introduce something, meaning "Here it is" or "There you have it."
Food and Drink:
* Baguette: A long, thin loaf of bread.
* Croissant: A crescent-shaped pastry.
* Crème brûlée: A dessert with a caramelized sugar crust.
* Café: A coffee shop or coffee.
* Gourmet: Of high quality and sophisticated taste.
* Hors d'oeuvres: Small snacks served before a meal.
Fashion:
* Couture: High-fashion clothing.
* Chic: Stylish and fashionable.
* Boutique: A small, specialized shop, especially one selling fashionable clothes.
Other:
* Ad hoc: For a particular purpose or situation.
* A la mode: In fashion or style.
* Coup d'état: A sudden and illegal seizure of power.
* Esprit de corps: A feeling of unity and shared purpose among a group.
* Je ne sais quoi: A quality that is difficult to define or describe but that makes something appealing.
These are just a few examples, and there are many other French words and phrases that are commonly used in American English. The influence of French language and culture has been significant in American history and continues to be so today.