"Dressdowned" is a term that typically means to be dressed in a relaxed or casual manner. Synonyms for this expression could include dressed down, dressed casually, dressed informally, dressed comfortably, dressed relaxed, dressed in comfortable clothes, dressed in casual clothes, or dressed in everyday clothes. Other synonyms for dressdowned could be dressed in leisurewear, loungewear, or athleisure. If someone is wearing clothes that are not formal or business attire, they could also be described as being outfitted in casual wear, weekend wear, or streetwear. Essentially, the phrase "dressdowned" refers to a lack of formality in one's attire, which can be conveyed through a variety of synonyms depending on the context and the audience.