Income refers to the money or earnings received by an individual or business from various sources. Its antonyms are the words that represent the opposite meaning or idea. The most common antonym for income is "expense," which means the amount money spent or needed to pay for something. Another antonym for income is "loss," which denotes the negative difference between the cost of production or input and the earnings generated from sales. In contrast, "savings" represent the money that one has set aside for future use. Similarly, "debt" refers to the amount of money owed to someone or an institution. These antonyms describe the various financial situations that individuals or businesses can face.