1.Definition: having brief brilliant points or flashes of light

"A dress with sparkly sequins"

Related Adjective(s):aglitter, coruscant, fulgid, glinting, glistering, glittering, glittery, scintillant, scintillating

2.Definition: marked by high spirits or excitement

"A row of sparkly cheerleaders"

Related Adjective(s):bubbling, effervescent, frothy, scintillating