Antonyms for the word "more diminished" include "increased," "expanded," "amplified," "enlarged," "augmented," and "extended." These words suggest a growth or increase in size, quantity, or intensity, and can be used in contrast to the idea of something being reduced, decreased, or diminished. For example, instead of saying that a company's profits have continued to diminish, one might say that they have expanded or increased their market share. Similarly, instead of describing a person's confidence as diminished, one might say that it has been amplified or extended in a particular situation. The antonyms of "more diminished" can be useful for emphasizing growth, progress, or improvement.