The antonyms for the word "becomes poorer" are "improves," "progresses," "advances," "prospers," and "thrives." These words describe the opposite of becoming poorer, which can occur due to financial instability, a loss of resources, or a decrease in the quality of life. When someone or something improves, they move in the direction of growth and prosperity, making strides and advancing in their endeavors. People who prosper generally increase their wealth and assets, while those who thrive enjoy an overall sense of well-being and accomplishment. These antonyms provide a positive outlook on life and can inspire hope and motivation to achieve success and stability.