A lounge suit, also known as a business suit, is a type of formal attire typically worn for business or professional events. However, there are many synonymous terms for this type of suit, depending on the country and culture. In the UK, a lounge suit may be referred to as a "day suit," while in the US, it might be called a "business suit" or "dress suit." Other terms for a lounge suit include a "two-piece suit," "city suit," or "fitted suit." No matter what it's called, a lounge suit is a timeless and versatile piece of clothing that can make anyone look sharp and confident in any professional setting.