Abstruse and Complex

Abstruse adjective - Difficult for one of ordinary knowledge or intelligence to understand.

Complex is a synonym for abstruse in obscure topic. In some cases you can use "Complex" instead an adjective "Abstruse", when it comes to topics like difficult to understand.

Nearby Word: abstrusity

Complex adjective - Having many parts or aspects that are usually interrelated.

Abstruse is a synonym for complex in difficult to understand topic. You can use "Abstruse" instead an adjective "Complex".

Nearby Words: complicated, complicate, complexion, complexity, complexly