The antonyms for the word "more defiling" are something that is pure, pristine, and clean. Defiling means making something dirty, impure, or corrupt. Therefore, the opposite of defiling would be purifying, cleansing, or restoring something to its natural state.
Some possible antonyms for the word "more defiling" are, for example, immaculate, flawless, spotless or unsullied. These words describe things that are free from blemish, pollution, or contamination. They suggest something that is perfect, wholesome, and unspoiled. In other words, they are the opposite of anything that is "more defiling".