adjective.Hidden from the mental or intellectualview; secret; abstruse.
adjective.Dealing in things abstruse; profound; searching.
adjective.Difficult to understand; known only by experts.
adjective.
Of a person: highly talented, a master of a field.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge
Word Usage
"Meanwhile, the presence of Pietro d'Abano80 and Hippocrates reflects a special interest at Urbino in recondite principles of astrobiological medicine and its capacity to temper the constitutions of individuals."