CEFR C2
recondite
adjective
Meaning
Dealing with a subject that is very little known, difficult to understand, or beyond the grasp of ordinary knowledge or understanding.
Examples
- The recondite theories of quantum physics are challenging even for advanced students.
- He enjoyed delving into recondite texts that explored the forgotten history of obscure civilizations.
Synonyms: obscure, abstruse, esoteric, arcane