Debug/ˈdiːbʌɡ/ Definition 1 of 2Pro Tip 1/3Tech Context Used in tech fields relating to computer programming and electronic systems. The developer had to debug the new app before launch. Pro Tip 2/3Problem-Solving Implies careful analysis to find and fix complex problems, usually in software. After debugging the security system, it worked flawlessly. Pro Tip 3/3Time Consuming Can describe a long, sometimes frustrating process often encountered by programmers. Debugging this critical error took the entire day.