From Longman Dictionary of Contemporary Englishreconditerec‧on‧dite /ˈrekəndaɪt, rɪˈkɒn- $ ˈrekən-, rɪˈkɑːn-/ adjective formalUNUSUAL recondite facts or subjects are not known about or understood by many people SYN obscure
Examples from the Corpus
recondite• Such teachings are very recondite and need considerable study to understand fully.• Eyre's down-to-earth style was well suited to the exploration of these recondite matters.Origin recondite (1600-1700) Latin reconditus, past participle of recondere “to hide” 