Foul matters are unpleasant, unclean or offensive things. There are several antonyms for the term foul matters, which describe clean, fresh and pleasant things. The antonyms for foul matters are hygienic, clean, healthy and wholesome. Hygienic refers to conditions that are conducive to good health, or healthful practices that promote cleanliness and personal hygiene. Clean, on the other hand, is used to describe something that is free from dirt, dust or any other contaminants. Healthy pertains to the overall wellbeing of an individual or environment, while wholesome signifies something that is good and healthy for one's well-being. By understanding the antonyms of foul matters, we can use these words to describe euphoric or delightful conditions.