fizzPronunciation: /fɪz/Translate fizz | into German | into Italian | into Spanish Definition of fizz verb [no object] (of a liquid) produce bubbles of gas and make a hissing sound:his lemonade was still fizzing at the top of the glass make a buzzing or crackling sound:carbide lamps fizzed in the darkness [with adverbial] move with or display excitement, exuberance, or liveliness:anticipation began to fizz through his veins noun [mass noun] the quality of being fizzy; effervescence:the champagne had lost its fizz informal an effervescent drink, especially sparkling wine:a glass of your favourite fizz exuberance or liveliness:she saw I had lost some of my fizzOrigin: mid 17th century: imitativefizz in other Oxford dictionaries Definition of fizz in the US English dictionary