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