BUBBLE noun [ C ] uk/ˈbʌbl/ us a ball of air or gas with liquid around it пузырь an air bubble bubble verb [ I ] uk/ˈbʌbl/ us If a liquid bubble s, balls of air or gas rise to its surface. кипеть The soup was bubbling on the stove. bubble (over) with confidence/enthusiasm, etcto be full of a positive emotion or quality быть переполненным самоуверенностью/энтузиазмом и т. д.