1. not treated with bleach; retaining natural color or appearance

Examples

• She preferred unbleached flour for baking bread.
• The unbleached cotton fabric had a natural beige color.
• Unbleached paper is more environmentally friendly.
• The museum displayed unbleached linen from the 18th century.
• Many bakers choose unbleached flour for its superior texture.
• The unbleached muslin curtains gave the room a rustic feel.