esoteric

adjective
Definition of esoteric:

confined to and understandable by only an enlightened inner circle


Synonyms of esoteric:

profound, secret, complicated, difficult, recondite, complex, intricate, occult


Opposite/Antonyms of esoteric:

exoteric, common, known, obvious, public, comprehensible, familiar


Sentence/Example of esoteric:

a compilation of esoteric philosophical theories