formalUNUSUAL recondite facts or subjects are not known about or understood by many people 玄妙的;深奥的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.
Originrecondite
(1600-1700)Latinreconditus, past participle of recondere“to hide”