Puffily is a word that is used to describe something that is swollen or bloated, typically due to excess fluid retention. However, there are several other synonyms that you can use to describe something similar. For instance, you could use the word bloated, which means swollen or distended due to excessive water or gas. Swollen is another synonym that is commonly used to describe something that is puffy. This word specifically refers to an area that has become enlarged or swollen due to an injury or medical condition. Other synonyms for puffy include flabby, inflated, bulging and distended. All of these words can be used to describe something that appears swollen or bloated and are great alternatives to the word puffily in your writing.