Besoil is rarely used nowadays, but it means "to soil or dirty one's clothes, hands or feet." Some synonyms for besoil include dirtify, begrime, besmear, sully, stain, contaminate, smear, or defile. These words all express the act of making something dirty or muddled, or in some way degrading its purity or cleanliness. People may besoil themselves unintentionally, for example by stepping in mud or spilling something on their clothes, or intentionally, such as when they engage in activities like gardening or construction work. Regardless of the circumstances, besoiling is a natural and sometimes unavoidable part of life.