: obtuseness especially : human density and insensitivity.

Is there such a word as Obtusity?

noun Obtuseness; dullness: as, obtusity of the ear.

What does it mean to be called obtuse?

Obtuse, which comes to us from the Latin word obtusus, meaning "dull" or "blunt," can describe an angle that is not acute or a person who is mentally "dull" or slow of mind.