The word "olds" is commonly used to refer to things or people that are no longer new or young. Synonyms for this word can include terms such as aged, ancient, mature, outdated, and veteran. Other synonyms for "olds" might include terms like elderly, senior, or elderly citizens. While these words can all be used to describe things and people that have been around for a while or have accumulated a significant amount of experience, it's important to keep in mind that they may carry different connotations depending on the specific context in which they are used. Ultimately, the most appropriate synonym for "olds" will depend on the specific situation and the intended meaning of the speaker or writer.