Flat paint leaves a dull finish.
This is a very dull answer to your question.
The knife is to dull to cut anything.
Drudgery refers to hard, menial, or dull work. For example, "She found the daily drudgery of filing paperwork tedious and unfulfilling."
The feeling of getting stabbed is a sharp pang then slow dull nothingness.
The lecture was so dull that most of the students fell asleep.
"The sky is looking dull today." "Talking to Joe is really dull." "Mary finds maths dull."
One example would be blunt. Another would be dull. For example: A dull knife doesn't cut very well.
My mother had bought me a new bucket of 'Nipton' paint to decorate my room, but I didn't like the colour because it was too dull.
Example sentence with the word "advise":"I would advise you not to do that."
This is an example of a sentence using the word breakfast.
The actors did their best but the dialog was so dull that they couldn't save the play.
To obscure the view of the sea from the workplace means to dull the atmosphere of the workplace.