1. lacking interest in or talent for music - too unmusical to care for concerts - it is unfortunate that her children were all nonmusical • Syn: nonmusical • Ant: musical 2. not musical in nature - the unmusical cry of the bluejay • Syn: nonmusical • Ant: musical • Attrubites: musicality, musicalness 3. lacking melody • Syn: unmelodious, unmelodic • Ant: melodious (for: unmelodious)