A debugger is a computer program used to find and fix errors (known as bugs) in other computer programs. There are several synonyms for the word debugger including debugging tool, bug hunter, error-correcting software, troubleshooting tool, and problem-solving software. These synonyms all refer to software programs used to locate and modify errors and are essential for software development. Debuggers are necessary to ensure that software is functioning properly and can be used for a range of applications such as software development, website customization, and game development. As technology continues to evolve, new solutions for debugging software will continue to emerge, ensuring that developers can build more robust and reliable applications.