The term, "not altered," means something that has remained unchanged or in its original state. There are several terms that can be used as synonyms for this word, such as unmodified, unaltered, and unchanged. These words indicate that something has not been altered or changed in any way and is the same as it was before. Other synonyms for the term include static, stable, fixed, constant, and steady. These words are commonly used when referring to objects or concepts that have remained the same over an extended period and have not undergone any changes or alterations. Using synonyms for "not altered" can help to diversify language and make writing more interesting and engaging.