mutate

Imagine a virus changing in a way that helps it escape a vaccine or resist treatment. That is the basic idea here. To mutate means to change in an important way, often in the genes of a living thing. We often connect this word with science, but it is not just a sci-fi idea. Mutations happen in nature all the time. A virus might mutate and spread more easily, or a plant might mutate and produce larger fruit. These changes are not always bad. Some are harmful, some have little effect, and some can even help a living thing survive better.

To mutate means to undergo a change in form, structure, or characteristics. While it is most often associated with biology and genetics, where it describes a change in DNA or other genetic material, the word can also be used more broadly for a strong or noticeable alteration.

In science, mutation refers specifically to changes in the genetic material of an organism. These changes can happen naturally, or they can be caused by outside factors such as radiation or certain chemicals. Some mutations are harmful and may lead to disease. Others are neutral and have no clear effect. A few are helpful and give a living thing some advantage in its environment. Over very long periods, changes like these can play a part in evolution. You might read about a new strain of the flu that has mutated and become more contagious.

However, "mutate" is not limited to biology. It can also describe a strong transformation in something else. A story's plot might mutate as the writer revises it, or an idea might mutate into something quite different through discussion and revision.

The word usually suggests more than a small adjustment. It points to a deeper shift in form or character. So whether you are talking about viruses, stories, or ideas, to mutate is to change in a way that makes the result meaningfully different from what it was before.