1. The quality of being inflexible or unwilling to change one's ideas, beliefs, or ways of thinking
His intellectual rigidity prevented him from considering new perspectives on the matter.
Sua rigidez intelectual o impediu de considerar novas perspectivas sobre o assunto.
2. Lack of adaptability in reasoning or cognitive flexibility
The professor's intellectual rigidity made it difficult for students to engage in open debate.
A rigidez intelectual do professor dificultou que os alunos participassem de um debate aberto.