Gibbs free energy is an important concept in thermodynamics that is used to predict if a chemical reaction is spontaneous or not. However, there are a number of synonyms that can be used to describe this concept. These include Gibbs energy, Gibbs function, Gibbs potential, and Gibbs equation. These terms all refer to the same idea of measuring the energy that is available in a system to do work. By understanding the various synonyms for Gibbs free energy, scientists and engineers can better communicate and collaborate on research related to thermodynamics and chemical reactions.