When something is too tight, it can cause discomfort and even pain. The good news is that there are several synonyms for "become less tight" that can help alleviate the discomfort. One such word is "loosen," which means to make something less tight or restrictive. Another synonym is "relax," which means to become less tense or tight. "Ease up" is another phrase that can be used to describe something becoming less tight. Other synonyms include "unwind," "untighten," and "decompress." No matter which word or phrase you choose, the goal is the same: to make things less tight and more comfortable.