There are several synonyms for the word "minimifidian," which means having very little faith or trust. Some of these synonyms include skeptic, doubter, cynic, disbeliever, unbeliever, and agnostic. While each of these words has slightly different connotations, they all refer to someone who questions or lacks faith in something. It's important to note that being a skeptic or doubter can sometimes be a positive trait, as it encourages critical thinking and a healthy dose of skepticism towards unproven claims. However, it's also important to remain open-minded and not let skepticism turn into cynicism or close-mindedness.