0 the quality of being stupid and slow to understand, or unwilling to try to understand:
Amy's obtuseness is difficult to understand.
She was complaining about the obtuseness of dance reviewers.
He has many faults, particularly his obtuseness regarding women and race.
The problem with this view is not so much moral obtuseness or factual inaccuracy as mythology about how things work.
He has shown considerable ingenuity, or considerable obtuseness, in misrepresenting the views of those from whom he differs.
He has done so with invariable politeness and courtesy, but also with a certain amount of obtuseness.
However, let us assume that those improvements have taken place and that it is only our obtuseness or political prejudice which fail to recognise them.
I have never known such obtuseness as that.