What is the meaning of the word disparity?

The term "disparity" refers to a significant difference or inequality between two or more entities. It emphasizes the lack of similarity or equivalence in characteristics or conditions. This word is often used in contexts like social, economic, or health disparities, where it highlights the gaps or variations that exist between different groups or situations. Understanding this term is crucial, especially when discussing issues related to fairness and equity. Therefore, "difference" is the most fitting definition among the choices provided.