Dedifferentiation refers to the process of reversing the differentiation of cells, tissues, and organs into a more primitive and unspecialized state. Antonyms for dedifferentiate include differentiate, develop, specialize, refine, and mature. Differentiation is the process of transforming unspecialized cells into specialized cells with specific functions. Developing is the process of growing or maturing gradually over time. Specializing involves the process of becoming an expert in a particular field or skill. Refining involves the process of improving or making something more precise or polished. Lastly, maturing refers to the process of becoming fully developed or adult-like in behavior, characteristics, and attitudes.