effervesce /ˌɛf.əɹˈvɛs/ verb3 •To emit small bubbles of dissolved gas; to froth or fizz.After some remonstrances, she takes up a champagne bottle, but is frightened by the sudden explosion of the cork, and drops it upon the floor. There the untasted liquor effervesces. — 1846 •To escape from solution in a liquid in the form of bubbles. •(figurative) To show high spirits. formseffervesced · effervescing · effervesces