The antonyms for the word "more constituting" include less, decreasing, reducing, minimizing, and detracting. When we use these words instead of "more constituting," we are emphasizing the opposite effect - that something is becoming smaller, weaker, or less significant. For example, we might say that reducing the amount of sugar in a recipe is detracting from its flavor, or that decreasing our reliance on fossil fuels is minimizing our impact on the environment. These words help to create a sense of balance in our language, highlighting both positive and negative changes that are happening in the world around us.