Unaffordable is a word that describes something that is too expensive or costly for a person to buy or afford. There are several synonyms for unaffordable that express similar meanings, such as expensive, prohibitively expensive, exorbitant, pricey, costly, high-priced, and overpriced. These words are all used to describe the same concept but may have different connotations. For example, exorbitant suggests that the cost is unreasonably high, while pricey may indicate that the cost is higher than average. Regardless of which synonym you choose to use, each word is used to describe something that is too expensive to afford and may require additional financial resources to purchase.