noun (n)

• the quality of being unclear or abstruse and hard to understand

  kualitas belum jelas atau menjadi sulit dan sulit untuk memahami

  Synonym:
  obscureness, obscurity, reconditeness
  Antonym:
  clarity, clearness, limpidity, lucidity, lucidness, pellucidity
  

  source: wordnet30
• wisdom that is recondite and abstruse and profound

  kebijaksanaan itu sulit dan sulit dan mendalam

  Synonym:
  abstrusity, profoundness, profundity, reconditeness
  

  source: wordnet30
• The quality of being abstruse; difficulty of apprehension.

  kualitas yang sukar difahami; kesukaran dari penahanan.

  source: webster1913