The term 'loose-fitting women's garment' can be summarized as a CHEMISE, which is a seven-letter word. A CHEMISE is a type of clothing that has been worn by women for centuries. It is a simple, loose-fitting garment that is usually made of lightweight fabric and is often worn as an undergarment or nightgown. It is also sometimes worn as a dress or top. The CHEMISE is a versatile piece of clothing that can be dressed up or down depending on the occasion.