As usual I am impressed with my own obtusity.

The military mind might be rigid to the point of obtusity in general matters, but in combat on this level he was an expert.

The room fell silent after a furious Mr. Stark called the testimony "a monument to obtusity."

"No, with Powder Byrne," she giggles sweetly at my apparent obtusity.

"Bless that obtusity!"

She kept forgetting that the big man's unsubtle mannerisms did not denote any obtusity of mind or feeling; he would not have been permitted in space were that the case.