What Does 'Firm' Mean?

The verb 'firm' describes an action that is physically solid or resistant. An exercise program designed to firm muscle tone is an example of this. The adjective 'firm' is used to describe something that is strong and unshakable. For instance, if your great-aunt Martha had a strong belief that children should be seen and not heard, it's likely that you and your siblings spent their childhood trying to challenge her opinion.Smith's Signature Theory is a collection of economic theories that explain and predict the nature of the firm, including its structure, relationship to the market, behavior and its very existence.