1. a substance used for dyeing or coloring materials

Examples

• The textile factory imported various dyestuffs from overseas suppliers.
• Natural dyestuffs like indigo were commonly used before synthetic alternatives.
• The chemist analyzed the composition of the red dyestuff.
• Traditional dyestuffs were extracted from plants, minerals, and insects.
• The company specializes in manufacturing organic dyestuffs for the fashion industry.
• Quality control tests ensure the dyestuff meets color fastness standards.