Most crescive refers to something that is rapidly growing, increasing, or expanding. Some antonyms for most crescive include: stagnant, declining, shrinking, diminishing, receding, decreasing, subsiding, waning, deteriorating, and regressing. These words describe a state of decline, a lack of progress, and a general decrease in the size, scope, or importance of something. When used correctly, these antonyms can help us describe a situation that is the opposite of growth and development. For example, we might talk about the shrinking economy or the receding tide, both of which are antonyms for the concept of most crescive.