0 in a way that is boring and not exciting: --
He gazed at the newspapers dully, convincing himself he must be ill.
"Well, I suppose I'd better get some work done," said Jean, dully.
The play starts well but has a dully conventional ending.
Most of the work consisted of dully repetitive tasks.
1 in a way that is does not appear clear, bright, or shiny: --
2 in a way that is does not feel or sound sharp or clear: --
One booming cannon echoed dully in the misty Sabbath morning.
She stared at the fierce pain in his eyes, her heart thudding dully in her chest.
He turned to see the waiter at the top of the stairs at the far end of the dully lit corridor.
The old gold and silver jewelry gleamed dully as the light played over it.
Outside there were more bored young men, sitting in groups, dully watching the cars go by.