The term "out-worn" is used when something has become old-fashioned, obsolete, or no longer relevant. Synonyms for this word can range from outdated to archaic, antiquated, and superannuated. Other synonymous terms include stale, worn-out, and overused. These words are often used to describe objects, ideas, and even people who are past their prime. Some people may use the terms "outdated" or "old-fashioned" to describe clothing, technology, or literature that is no longer fashionable or popular. While the term "out-worn" may have a negative connotation, it can be useful to describe things that are no longer useful or relevant.