bubbly /ˈbʌbli/adjective 4noun 1forms 3 adjective4 •Full of bubbles.Whip the egg white into a bubbly froth. •(informal) Cheerful, lively.She has a bubbly personality. •Having the characteristics of economic bubbles.China’s economy is too bubbly and will soon slow down. — 2011 •Having the characteristics of bubbles.The architecture of the conservatory was bubbly. noun1 •(informal) Champagne.We're getting married–this calls for a bottle of bubbly! formsbubblies · bubblier · bubbliest