A trouser suit is a type of clothing attire that is designed to fit both the upper and lower body. The ensemble is perfect for formal, semi-formal, or even professional events, making it a popular choice among women who are looking for a sleek and fashionable look. Although the term "trouser suit" is the most common way to describe the ensemble, there are other terms that may be used interchangeably, such as pantsuit, pant suit, or even simply suit. Regardless of how you prefer to name it, a trouser suit is a timeless piece that will never go out of style.