Sturdy fabric is a term used to describe fabrics that are strong and durable. Popular examples of sturdy fabrics include poplin (6 letters), DENIM (5 letters), JEAN (4 letters), serge (5 letters) and ninon (5 letters). Poplin is a plain-weave fabric made from cotton, wool or silk. DENIM is a sturdy cotton twill fabric, typically blue in color. JEAN is a sturdy cotton twill fabric, usually blue in color, but also available in other colors. Serge is a type of twill fabric with a diagonal ribbed pattern. Ninon is a lightweight, sheer fabric made from silk or rayon.