"Dress down" is a common phrase used to describe a more casual style of clothing compared to formal or professional attire. However, there are many synonyms for this phrase that can be used to express the same sentiment, such as "go casual," "dress casually," "wear something comfortable," "sport a laid-back outfit," "throw on some comfy clothes," "rock an effortless look," and "don something relaxed." All of these phrases can be used interchangeably to describe a style that is more comfortable and less formal than traditional clothing options. So, the next time you want to dress down, consider using one of these synonyms to switch up your language!