Plural: abstrusenesses
1. The quality of being abstruse; difficulty of apprehension.
2. Wisdom that is recondite and abstruse and profound
abstrusity · obscureness · obscurity · profoundness · profundity · reconditeness
abstractness · abstract noun · abstract number · abstract of account · abstract of title · abstractum · abstruse · abstrusely · abstruseness · abstrusity · absume · absurd · absurda · absurdism · absurdist · absurdity · absurdly · absurdness · absurdum