Adjective : an arduous undertaking. ,making an arduous effort. ,an arduous path up the hill. ,an arduous winter.    From Dictionary.com. 

But presumption fails to honor this distinction, and therefore "fails to accept the reality of the futurity and 'arduousness' that characterize" our journey in and toward O.    From Wordnik.com.  [One Cʘsmos] Reference

Maybe they underestimated the arduousness of the journey.    From Wordnik.com.  [Centaur Aisle]

Throughout the treatise an effort is made to show the arduousness of the task of the.    From Wordnik.com.  [The Journal of Negro History, Volume 2, 1917] Reference

He is in good spirits, and dwells with emphasis on the length and arduousness of the marches made by his troops since he left.    From Wordnik.com.  [The Citizen-Soldier or, Memoirs of a Volunteer] Reference

I think the arduousness of the journey added to the sweet release I always used to feel when that ferry first floated free from the dock.    From Wordnik.com.  [“Where You At?” | clusterflock] Reference

And nothing could prove more conclusively the arduousness of Fielding's work as a magistrate than the record of the last ten days of January.    From Wordnik.com.  [Henry Fielding: a Memoir] Reference

At first sight reconnoitring from aloft may appear a simple operation, but a little reflection will reveal the difficulties and arduousness of the work.    From Wordnik.com.  [Aeroplanes and Dirigibles of War] Reference

World War II was good, despite the millions of deaths, the limitations on daily lives, the encroachment on peacetime liberties and the arduousness of wartime life.    From Wordnik.com.  [Another Good War] Reference

Leaders of the whole country must deeply understand the arduousness, complexity and long-term nature of the struggle, he said in remarks carried online by the China Tibet News.    From Wordnik.com.  [Archive 2008-03-01] Reference

Moreover, the labor of rounding up pigs is one of mingled arduousness and delicacy.    From Wordnik.com.  [More Jonathan Papers] Reference

The age of the two climbers throws into relief the arduousness of their spiritual ascent.    From Wordnik.com.  [Psalms of the Sisters] Reference

I am no Mr. Stanley; and the length, the difficulties, the arduousness of the labour appalled me.    From Wordnik.com.  [Essays in Little] Reference

They scarcely shrink from any business on account of its magnitude, its arduousness, or its hazard.    From Wordnik.com.  [Thoughts on Missions] Reference

It is inconceivable, meanwhile, how much, by this choice of a subject, I increased the arduousness of my task.    From Wordnik.com.  [Caleb Williams Or Things as They Are] Reference

No one has rightly entered on the office without being deeply impressed by its greatness, arduousness, and responsibility.    From Wordnik.com.  [Life and Work in Benares and Kumaon, 1839-1877] Reference

Think how very seriously Scripture speaks of the arduousness of finding, the labour of seeking, the duty of thirsting after the truth?.    From Wordnik.com.  [Loss and Gain The Story of a Convert] Reference

Yet newcomers to Costa should be aware of the fact that these films can be difficult in ways that mirror the arduousness of their genesis.    From Wordnik.com.  [Vue Weekly] Reference

And nothing could prove more conclusively the arduousness of Fielding's work as a magistrate than the record of the last ten days of January, 1752.    From Wordnik.com.  [Henry Fielding A Memoir]

This past weekend, I was having dinner with someone and we were talking about the length and arduousness of the development process of most musicals.    From Wordnik.com.  [BroadwayWorld.com Featured Content] Reference

It may perhaps help to lessen the arduousness of the subject if I put the first part of what I have to say in the form of a direct personal confession.    From Wordnik.com.  [A Pluralistic Universe Hibbert Lectures at Manchester College on the Present Situation in Philosophy] Reference

Shot on Mount Fuji and the surrounding areas, the production was reportedly a bit of a nightmare to endure, and the result reflects the arduousness of the task.    From Wordnik.com.  [Film School Rejects] Reference

The attacks in Artois had fully demonstrated the arduousness and cost of any such undertaking, particularly until there was an unlimited supply of shells to draw on.    From Wordnik.com.  [The Story of the Great War, Volume I (of 8) Introductions; Special Articles; Causes of War; Diplomatic and State Papers] Reference

But the labor and all its fatiguing arduousness are nothing when one gets to the top, for one beholds here one of the most magnificent mountain panoramas in all West China.    From Wordnik.com.  [Across China on Foot] Reference

The heart rate response to hard physical work has been demonstrated to be a reliable and a valuable tool for establishing the intensity and arduousness of work being performed.    From Wordnik.com.  [Firehouse.com: In The Line Of Duty] Reference

With the great herds destroyed, there was added to the danger and the privations of the wild country where the few remaining stragglers might be found, the zest and the arduousness of long searching.    From Wordnik.com.  [Roosevelt in the Bad Lands] Reference

Ours are the energy, the effort, the victory or the peace and cooperation; and all the manifold modes of swiftness or gravity, arduousness or ease, with which their every minutest dynamic detail is fraught.    From Wordnik.com.  [The Beautiful An Introduction to Psychological Aesthetics] Reference

The generosity of Roderick Anthony -- the son of the poet -- affected the ex-financier de Barral in a manner which must have brought home to Flora de Barral the extreme arduousness of the business of being a woman.    From Wordnik.com.  [Chance A Tale in Two Parts] Reference

The last half-hour, overlaid with expected portent, is at least persuasive in its portrait of the arduousness of her final self-imposed task, and even occasionally lyrical when it casts off the weight of biopic realism.    From Wordnik.com.  [indieWIRE News] Reference

67A: Wilderness walks (treks) - the clue doesn't quite suggest the arduousness that the answer implies.    From Wordnik.com.  [Rex Parker Does the NYT Crossword Puzzle] Reference

A portrayal not of her but of his love for her, she wondered if any woman could long endure the arduousness of such deification, or if a man who had visioned a goddess could long content himself with a mortal.    From Wordnik.com.  [The Nest Builder] Reference

Sweetgrass captures the arduousness and the awe (not awww.    From Wordnik.com.  [SF Weekly | Complete Issue] Reference