Folie du doute, a French term meaning "madness of doubt," can be replaced with various synonyms depending on the context. Some of the synonyms include uncertainty, hesitancy, indecision, skepticism, disbelief, mistrust, and suspicion. These synonyms indicate a lack of confidence in one's own judgment, the actions of others, or the outcomes of situations. Folie du doute is commonly associated with anxiety disorders such as obsessive-compulsive disorder and can lead to significant distress and impairment in daily activities. Using synonyms for "folie du doute" can help individuals express their experiences and emotions in a more precise and relatable manner.