What are the opposite words for exoteric?

Exoteric refers to something that is widely known, public, or easily understandable. Its antonyms, on the other hand, are more complex and less common. Two antonyms for exoteric are esoteric and abstruse. Esoteric refers to something that is intended to be understood by a small group of people with specialized knowledge, often requiring initiation or extensive study. Abstruse, on the other hand, refers to concepts or ideas that are difficult to understand due to their inherent complexity or obscurity. These two antonyms for exoteric illustrate how language can be used to convey the depth and breadth of knowledge and understanding held by different groups of people.