Fizz/fɪz/ Definition 1 of 4Pro Tip 1/3Sensory Imagery Use 'fizz' to describe the specific sound that can be heard and often felt through bubbles. You could hear the fizz of the freshly poured soda. Pro Tip 2/3Onomatopoeic Word 'Fizz' is an example of onomatopoeia, where the word mimics the sound it describes. The tablet fizzed as it dissolved in water. Pro Tip 3/3Associated with Freshness 'Fizz' often implies a fresh, carbonated beverage, not flat or stale. I love the fizz of a newly opened carbonated drink.