B1as found in nature and not involving anything made or done by people: a natural substancePeople say that breast-feeding is better than bottle-feeding because it's more natural.He died from natural causes(= because he was old or ill).Floods and earthquakes are natural disasters.Natural and artificialC1describes an ability or characteristic that you were born with: natural beautya natural talent for sportsShe's a natural blonde (= her real hair colour is blonde).Innate and congenitalGenetics›describes food or drink that is pure and has no chemical substances added to it and is therefore thought to be healthy: natural mineral waternatural ingredientsVarious qualities of foodNatural and artificialsb's natural mother/father/parent›a parent who caused someone to be born, although they might not be their legal parent or the parent who raised themParents and children