Nouns

(n)adagio(music) a composition played in adagio tempo (slowly and gracefully)“they played the adagio too quickly”
(n)adagioa slow section of a pas de deux requiring great skill and strength by the dancers

Adjectives

(s)adagio(of tempo) leisurely

Adverbs

(r)adagioslowly“here you must play adagio”