What is what does obtuse mean?

Obtuse is an adjective that describes a person or thing that is slow to understand, insensitive or lacking in intelligence or emotional awareness. It can also describe an angle that is greater than 90 degrees but less than 180 degrees, or something that is blunt or not pointed. In social situations, someone who is considered obtuse may be seen as insensitive or rude because they are unable to pick up on social cues or read the emotions of others.