There are several synonyms for the phrase "not be quoted" that can be used depending on the context in which it is being used. Some of the synonyms include "off the record," "not for attribution," "unofficial," "confidential," "not to be repeated," and "non-attributable." These phrases are often used in journalism, politics, and other fields where sensitive information needs to be discussed privately. Additionally, they can be used when a person wants to express an opinion or provide information without it being attributed to them publicly. It is important to understand the difference between these phrases and carefully choose the appropriate one to convey the intended meaning.