Glitchy is a term used to describe a problem or flaw in something, particularly in technology or electronics. Other synonyms for glitchy could include buggy, faulty, defective, erratic, unstable, erratic, or inconsistent. These words are often used to describe devices that do not function correctly or have frequent malfunctions. Additionally, words like problematic or troublesome can describe glitches that cause significant issues or annoyances. When discussing technology or software specifically, the term "buggy" is common, as it refers to programming errors that can cause issues with a device or application. Overall, the word glitchy is just one way to describe something that has issues or doesn't work properly.