The antonyms for the word "decreasing" are increasing, rising, growing, expanding, magnifying, and multiplying. The opposite of decreasing is to enhance, amplify, enlarge, augment, accumulate, inflate or escalate. The antonym for decreasing indicates an upward trend, an elevation in quantity, size, value, or significance. When something is increasing, it is becoming more prominent or stronger. In economics, increasing indicates a rise in demand, production or income. In contrast, decreasing means a fall in production, profit or supply. Antonyms for the word decreasing suggest an incline or an expansion in contrast to a decrease or decrease.