There are many ways to learn billionaire in French, but perhaps the easiest way is to watch television or read news reports. Watching news can also help you learn the proper pronunciation of slang and casual words. It is also a great way to learn new culture references and humor. Many TV shows have dialogues that use words from the context of the show. For example, if someone says, “I’m a billionaire,” the French word for billionaire is “billionaire.”