marked by high spirits or excitement; "his fertile effervescent mind"; "scintillating personality"; "sparkling conversation"; "a row of sparkly cheerleaders"
approval If you describe someone as effervescent, you mean that they are lively, entertaining, enthusiastic, and exciting. an effervescent blonde actress = bubbly, vivacious + effervescence ef·fer·ves·cence He wrote about Gillespie's effervescence, magnetism and commitment