There are a number of synonyms for the phrase "not automatic." For instance, "manual," "non-automated," "non-electronic," and "non-robotic" are all possible alternatives. Other potential options include "hand-operated," "mechanical," or "labor-intensive." Additionally, some people might use the term "non-autonomous," while others could refer to a process as "semi-automatic" or "partially automated." Ultimately, the choice of synonym depends on the context and intended meaning of the phrase. Regardless of which term is used, however, it generally signifies that a process requires human intervention or oversight to function properly.