1. In language:
* Speaking or writing a language smoothly and easily, with good grammar and pronunciation. This is the most common meaning. For example, "She is fluent in Spanish."
* Expressing oneself smoothly and easily. This can refer to speaking, writing, or even other forms of communication, such as music or dance. For example, "He delivered a fluent and persuasive speech."
2. In other areas:
* Moving smoothly and effortlessly. This often refers to liquids, but can also be used to describe the movement of objects or people. For example, "The water flowed fluently down the stream."
* Operating smoothly and efficiently. This is often used to describe machines or processes. For example, "The software runs fluently on all platforms."
In summary, "fluent" generally implies a sense of smoothness, ease, and naturalness in whatever it is describing.