Abstruse and Subtle

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

Subtle and abstruse are semantically related in obscure topic. In some cases you can use "Subtle" instead an adjective "Abstruse", when it comes to topics like difficult to understand.

Nearby Word: abstrusity

Subtle adjective - Clever at attaining one's ends by indirect and often deceptive means.

Abstruse and subtle are semantically related in property topic. Sometimes you can use "Abstruse" instead an adjective "Subtle", if it concerns topics such as hair-splitting.

Nearby Words: subtlety, subtly, subtleness