അർത്ഥം : Difficult to penetrate. Incomprehensible to one of ordinary understanding or knowledge.
						 
						 
					
							ഉദാഹരണം : 
							The professor's lectures were so abstruse that students tended to avoid them.
							A deep metaphysical theory.
							Some recondite problem in historiography.
							
					
							പര്യായപദങ്ങൾ : 
							abstruse, deep