What is another word for puff up?
Pronunciation: [pˈʌf ˈʌp] (IPA) 
When it comes to describing how something expands or inflates, the phrase "puff up" may not always be the best choice. Luckily, there are a variety of synonyms you can use instead. For example, you could describe something as swelling, bulging, ballooning, or even bloating. Other options might include swelling up, billowing, puffing out, or expanding. Depending on the context, you could also use words like distending, increasing in volume, becoming more turgid, or inflating with air. Whether you're describing a recipe that calls for ingredients to puff up in the oven or a person's face that seems to be swelling with anger, there are plenty of different ways to express the concept of "puffing up".
