Indeed, Mr. Diaz said he was finding the business of writing - as opposed to the art and the craft - stupefyingly dull.
Even some Bruce Nauman fans I've heard from find these videos stupefyingly dull, but they may turn out to be among his most important works.
This seems true: look for a really famous person, and the entry is usually balanced to the point of being stupefyingly dull.
Many books in popular psychology are a melange of the author's comments, a dollop of research, and stupefyingly dull transcriptions from interviews.
Or gone forever might have been the vision of one fan who presented us with the middlemost of his five fingers as his personal commentary on a stupefyingly dull game.
Critics have called the play "paralyzed," "repugnant," and "stupefyingly dull."
When it came to the romance between Vic and Kay, Life magazine stuck to its negative guns: "The love story is stupefyingly dull.
A promising, respectable and, to Cleese, stupefyingly dull career beckoned.
Press foreign economic policy to generate jobs; though stupefyingly dull and unpopular, it shows leadership, as in the Mexican bailout, and drives a wedge between Republican internationalists and isolationists.
Much of the business of the executive committee proved stupefyingly dull.