obbligato /.obli'gatao; , abh'gato/ n (pl ~s /-tauz; -tor/), adj (music) (咅樂(lè)) 1 (to be) performed without any omissions (opp to ad libitum). 全部演奏的(為 ad libitum 之相反字)。 2 (accompanying part) forming an integral part of a composition. 必須的或不可缺少的(作奏)。