Gilts are a type of investment that offers a low-risk, low-return opportunity to investors. The term "gilts" is an abbreviation of "gilt-edged securities," and is commonly used in the UK. Antonyms of the word "gilts" include high-risk investments, investments with high return potential, or speculative investments. These types of investments have higher potential returns but also come with a greater risk of loss. Stocks, bonds, mutual funds, real estate, commodities, and cryptocurrencies are all examples of antonyms for gilts. While gilts may be a safe choice for conservative investors, those seeking higher returns may want to consider alternative investment options.