Scarlet, e.g. is a three letter word that can be used to describe something that is RED in color. It is often used to describe a deep, rich shade of RED, such as the color of a rose or a cardinal's feathers. Scarlet is also the name of a bright RED dye that was historically used to dye fabrics and clothing. It is also the name of a popular novel by Nathaniel Hawthorne, which tells the story of a young woman who is forced to wear a scarlet letter 'A' as punishment for her sins.