esoteric Synonyms

complicated recondite cryptic difficult enigmatic mysterious deep mystical arcane profound obscure occult abstruse private supermundane sensitive supramundane supersensual serious shamanic shrouded sibylline spiritual selective secretive preterhuman professorial puzzling rare rarefied recherche intimate respective restricted scholarly secret technical telestic nonrational esoterism cultish far-reaching nonmainstream specialized top secret transmundane unpublished unrevealed nonpublic elitist