"dreadful task" is correct and can be used in written English.
You could use this phrase to describe something that is difficult or unpleasant. For example, "I had the dreadful task of cleaning out the attic last weekend."
In Britain, the dreadful task of fixing an inscription for the million military dead in the wake of World War I fell to Rudyard Kipling — a task made especially delicate given the loss of his own son in the war.
Colum McCann had a dreadful task: to follow up the universal acclaim of Let The Great World Spin.
Honestly, anyone who's ever been late to work, needs to avoid confrontations with an obnoxious roommate, or simply wants to miss out on being chosen for a dreadful task could use this gadget to improve their lives ten fold.
Most are in favor of a Jewish homeland; they yearn for Israel to transform into a state they can love and identify with, and for the army to be liberated from the dreadful task of enforcing the occupation.
Procrastinating will just make this a dreadful task.
However, there are a few studying tips that will make studying seems less a dreadful chore and will help you focus more on your tasks.
Whether you're someone who gets excited by the thought of cleaning your house or someone who finds the task extremely dreadful, have we found the video for you.
Just as the therapist, we must face the difficult task of confronting the dreadful abuse of power.
The most vivid image of the marriage is of her cutting her husband's corns, a task she seems required to perform with dreadful regularity.
EVERYONE has a task she puts off until it becomes infinitely more dreadful.
It is a formidable task – as indeed it was for Attlee, who met dreadful opposition at the time, even though he has been sanctified by modern historians.
