adjective
He might be a dull student but he's a brilliant artist
He knew that he could expect only a dull response to his pleading
The market for luxury cars is a little dull now
All work and no play make Jack a dull boy
If the day is dull, the photographs will show it
I nicked myself with that dull razor
Rub the dull film off that silver goblet
I've had a dull pain in my arm all day
verb
Weeping dulls the inner pain
A mist dulled the rich colours of the glen
His war experiences had dulled his feelings towards others
US