The antonyms for the word "more befouled" are words that describe cleanliness, purity or freshness. Antonyms could include words such as "clean", "pure", "fresh", "sterile", "sanitary", "hygienic", "decontaminated", "untainted", "polished" and "spotless". These antonyms paint a picture of something that is immaculate and devoid of any dirt or grime. While the word befouled implies a state of being polluted, unclean or dirty, its antonyms suggest the exact opposite - cleanliness and purity. It is important to note that the use of antonyms allows us to clearly articulate the differences between two contrasting things, enhancing our ability to communicate and understand meanings.