Outrageously Funny Word Dictionary :: Fragmentist

👉 A fragmentist is a person who is obsessed with or passionately believes in a single idea, concept, or hypothesis. They may view this as the only true and complete truth, and will go to great lengths to defend it against any evidence that contradicts it. This can lead to extreme beliefs and attitudes, such as rejecting alternative theories and advocating for their own views at all costs.

fragmentist