Benighted and Blind to

Benighted adjective - Lacking in education or the knowledge gained from books.

Blind to and benighted are semantically related In some cases you can use "Blind to" instead an adjective "Benighted".

Benighted and blind to are semantically related in ignorant topic. Sometimes you can use "Benighted" instead an adjective phrase "Blind to", if it concerns topics such as unaware.