esoteric

Adjective

  1. confined to and understandable by only an enlightened inner circle; “a compilation of esoteric philosophical theories”
  1. intended for or likely to be understood by only a small number of people with a specialized knowledge or interest esoteric philosophical debates

Origin

mid 17th century: from Greek esōterikos, from esōterō, comparative of esō ‘within’, from es, eis ‘into’. Compare with exoteric

Thesaurus

Adjective

  1. the question is dominated by esoteric debate

Similar Words: abstruse obscure arcane recherché rarefied recondite abstract difficult hard puzzling perplexing enigmatic inscrutable cryptic Delphic complex complicated involved above one's head over one's head incomprehensible opaque unfathomable impenetrable mysterious occult little known hidden secret private mystic magical cabbalistic involuted

Opposites: simple familiar