Slow; gradually, leisurely, and gracefully. Whenever repeated, adagio, adagio, it directs the movement is very slow.
Slow; slowly, leisurely, with elegance. Whenever repeated, adagio, adagio, it directs the performance is very sluggish.
Slow: since, an adagio movement.
Unique kinds of movement or style are indicated by the addition of various other terms, as: adagio assai or molto, extremely slow; adagio non troppo, slow, yet not a lot of so; adagio cantabile or sostenuto, slow, with a flowing or suffered motion; adagio patetico, sluggish with pathos; adagio pesante, sluggish, with hefty accents; adagio religioso, sluggish as well as in the church style; etc.