When it comes to finding synonyms for the phrase "not use," there are a variety of options to choose from. One common alternative is "avoid," which implies steering clear of something altogether. Another option is "shun," which conveys a sense of actively rejecting or avoiding something due to personal preference or moral objection. "Abstain" is also a useful synonym, as it suggests a deliberate decision to refrain from using or engaging with something. "Forgo" is another option, which suggests making a conscious choice to give up something for a specific reason. Ultimately, the choice of synonym will depend on the specific context and connotation desired, but these options offer a starting point for exploring alternatives to the phrase "not use".