Overextends is a verb that means to extend beyond the proper or reasonable limits. Antonyms for overextends are words that are opposite in meaning. Some of the antonyms for overextends are constrict, restrict, limit, confine, curtail, restrict, shorten, and reduce. The opposite of overextends is to limit, control or restrict oneself or one's actions. For example, instead of overextending yourself, you can limit your work hours or streamline your activities to maintain a healthy work-life balance. In short, choosing the appropriate antonym for overextends helps us understand and express the concept of appropriate limitations and boundaries in our daily lives.