Safe to drink means that drinking a liquid is free from harmful toxins or bacteria that can cause illness. There are various synonyms to this term that can be used to communicate this message. The first possible synonym is "potable," which refers to water that is safe for drinking. Another possible synonym is "drinkable," which implies that the liquid is suitable for consumption. Other similar terms include "wholesome," indicating that the liquid is beneficial to health and free from impurities, and "pure," indicating that the liquid is clean and free from contaminants. Ultimately, using any of these words can provide reassurance to consumers that the liquid they are drinking is safe and healthy.