"Until you arrived on the scene it had been a rather dull day, but you've changed all that."
It was late in the afternoon of a dull, gray day.
It was a dull, cold day, and they were both very bored.
Another dull day's work done, Jack told himself on the way to his car.
"Nothing quite like a university function to slow down an already dull day I always say."
It looked like a dull day outside but she couldn't just sit in her room doing nothing.
By definition, there cannot be a dull day from now into October.
But now, at least, the dull days for a few of us were over.
As a result the number of dull days is 146.
On a dull day the effect would never have been so dramatic.