There are many synonyms for the phrase "not tamper" that can be used in a variety of contexts. Some of these include "not interfere," "not meddle," "not manipulate," "not disturb," and "not alter." These synonyms can be used to describe situations where it is important not to disturb or modify something, or to convey a sense of respect for boundaries or established protocols. Whether in the context of scientific experiments, legal proceedings, or interpersonal relationships, using these synonyms can help to reinforce the importance of respecting boundaries and maintaining integrity in all aspects of life.