Ideophobia is the term used to describe the fear of ideas or the fear of thinking. While this specific word is not widely known, there are several synonyms that can be used to express this fear. One example is phronemophobia, which is derived from the Greek word for thinking or reasoning. Another synonym is dystychiphobia, which is the fear of accidents or disasters, often resulting from fear of making a wrong decision. Other terms that can be used to describe ideophobia include sciomachy, which is the conflict or struggle against perceived darkness or ignorance, and sophophobia, which specifically refers to a fear of knowledge or learning.