Tunelessness is a term used to describe a lack of musicality or harmony. It can be frustrating to listen to someone who has no musical ability, and this word can be used to describe that feeling. However, there are many synonyms for tunelessness that can help to expand your vocabulary. These include disharmony, dissonance, discordance, cacophony, harshness, atonality, and unmelodiousness. Each of these words describes a different aspect of the lack of musical ability, but they all convey the same idea. If you are looking for a more precise word to describe someone's musical shortcomings, try using one of these synonyms for tunelessness.