Overhead expenses are the costs that businesses incur while operating and maintaining their daily operations. Sometimes, businesses need to look for synonyms for overhead expenses to express the idea more precisely. Some of the synonyms for the overhead expenses are indirect costs, fixed costs, operational expenses, and administrative expenses. Indirect costs are expenses that are not directly related to the production or delivery of goods or services. They include items such as rent, utilities, and office supplies. Fixed costs, on the other hand, are expenses that do not vary with the level of production or sales. Operational expenses mainly cover costs required for day-to-day operations; and administrative expenses are expenses incurred for the management and running of a business. In essence, all these terms are synonyms for the term "overhead expenses" used in business.