A multi-paradigm, high-performance, ANSI-standardized dialect of Lisp, known for its flexibility and powerful macro system. It supports procedural, functional, and object-oriented programming, and includes the Common Lisp Object System (CLOS) for object-oriented capabilities. Common Lisp is praised for its support of dynamic and incremental development, iterative compilation, and allows real-time application modification and debugging. It offers cross-platform compatibility and remains influential in various domains such as artificial intelligence, rapid prototyping, and long-running server applications.