There was a sign of monotony in her voice.
The monotony of boredom sunk into my head as I stared at the blankness of the wall.
If I were to eat a hamburger every day, the monotony would be boring.
The professor's lecture are known for their monotony.The monotony of the Antarctic winter can be depressing for some resident scientists.Some people can't stand the monotony of everyday life.The monotony of her voice drives me mad.
The monotony filled the crowd with glee.
If you mean "monotony," than a sentence could be: "The monotony of my days is slowly driving me crazy."
i need a vacation. I am tired of this Monotony.
The monotony of his daily routine was starting to wear on him, prompting a desire for change.
Basically, you say the entire sentence without any variance in tone. No upturning of your words. Watch an episode of Daria, that's how you make a sentence with monotony. Unless, you're asking how to form a sentence that is in itself monotonous. In that case, you can't really because that's much more subjective.
As often as you like.
That is the correct spelling of "monotony" (tedium, boredom).
monotony.
Monotony avoidance is the need for change and action.