Definition of befoul:
cloud, spatter, back up, clog, bespatter, defile, begrime, corrupt, smutch, spoil, attack, clog up, foul, congest, choke, besoil, maculate, blacken, clean, besmear, black, infect, denigrate, choke off, vitiate, smut.
Also it set out that the heaviest of his crimes were inspired by this wife of his, who sought to befoul his name in the ears of the people whom she led him to oppress, and how bitter jealousy drove him to cruel acts, the last and worst of which caused him foully to violate the law of hospitality, and in attempting to bring about the death of blameless guests at their hands to find his own.- "Ayesha The Further History of She-Who-Must-Be-Obeyed", H. Rider Haggard.
- "Louise de la Valliere", Alexandre Dumas, Pere.
Do not call men sinners, and they are not: you alone are the creator of sinners; you, who fancy that you love men, are the very one to throw them into the mire of sin, the very one to divide them into vicious and virtuous, into men and un- men, the very one to befoul them with the slaver of your possessedness; for you love not men, but man.- "The Ego and His Own", Max Stirner.