The definition of leggiero is in a light and sprightly way.
(adjective)An example of something leggiero is a nimble dance across a stage; leggiero dancing style.
Leggiero is defined as done in a light and sprightly manner.
(adverb)An example of leggiero used as an adverb is in the sentence, "The dancer performed leggiero."
See leggiero in Webster's New World College Dictionary
adjective, adverb