unmelodic
/ʌnmɪˈlɒdɪk
/adjective
Not having a pleasing tune; discordant: the songs are pompous, earnest, often unmelodic...
- The piano comes in with an incredibly unmelodic chromatic skittering.
- He didn't make life easy for himself by choosing a selection of rigorously unmelodic, rhythmically thorny music by Ligeti.
- It is decidedly unmelodic, yet somehow catchy.