The term "in toning" refers to the act of making something more intense or stronger. Antonyms for this phrase would be words that describe actions that weaken or decrease the intensity of something. Some possible antonyms for the term "in toning" could be "diluting," "weakening," "desensitizing," "attenuating," "moderating," or "lessening." These words all describe actions that make something less intense, whether it's the strength of a color, the impact of a sound, or the emotional intensity of a situation. Using antonyms effectively in writing can help to create a more nuanced and varied vocabulary, allowing for more precise and descriptive language.