"Fixed ideas" is a phrase that describes a person who is stubbornly attached to their opinions and beliefs, even in the face of contradictory evidence. Given its negative connotation, it can be useful to have alternative ways to refer to this pattern of thinking. Synonyms for "fixed ideas" include inflexible thinking, rigid beliefs, dogmatic attitudes, unyielding opinions, and adamant convictions. Other descriptive phrases might include closed-mindedness, narrow-minded thinking, or stodgy intellectualism. Regardless of the words chosen, the concept of being resistant to new information or alternate viewpoints can be a significant hindrance to personal and professional growth.