1The professor's arcane explanation of the mathematical concept confused many students in the class.
2Do you think the ancient rituals were arcane, or just a form of storytelling?
3The company's arcane rules and regulations made it difficult for new employees to understand their responsibilities.
4Try to avoid using arcane language in your presentation, so everyone can follow your ideas.
5There are many arcane symbols in the novel that require a deep understanding of mythology to decipher.