Formerly a department store, today Debenhams is an online retailer based in the UK. It was founded in 1778 by William Debenham and has been a household name for centuries. It offers a wide range of apparel, homeware and more. Keep an eye out for new and never-worn Debenhams dresses suitable for all sorts of occasions and in a variety of styles. Or pick up a secondhand boating blazer by the brand with classic stripes.