adjective
beyond the reach of the average intelligence
a recondite subject
Synonyms: abstruse, acroamatic, deep, esoteric, heavy, hermetic, occult, orphic, profound, secret
Related Word: erudite, learned, scholarly; academic, pedantic; difficult, hard; dark, enigmatic, obscure; anagogic, cabalistic, mystic, mystical; cryptic, runic, sibylline
Contrasted words: easy, facile, simple, straightforward