When looking for synonyms for the word "fluffy feathers", there are many options to choose from. For instance, "downy feathers" might come to mind, as this is a term commonly used to describe feathers that are soft and fluffy. Another option is "plumage", which refers to the complete set of feathers on a bird, including those that are soft and fluffy. "Flossy feathers" is a less common term, but it accurately evokes the fluffy texture of certain feather types. "Fuzzy feathers" and "soft feathers" are other synonyms that can be used to describe feathers that are fluffy in nature. Ultimately, there are many ways to describe these delicate, beautiful feathers.