Adjective : a strenuous afternoon of hunting. ,To think deeply is a strenuous task. ,a strenuous person; a strenuous intellect.    From Dictionary.com. 

13. be not weary -- The oldest manuscripts read, "Be not cowardly in"; do not be wanting in strenuousness in doing well.    From Wordnik.com.  [Commentary Critical and Explanatory on the Whole Bible] Reference

That they attributed to his "strenuousness" in his work, and thought it to be deplored.    From Wordnik.com.  [The Visioning] Reference

Its strenuousness knew no lassitude, and needed no repose.    From Wordnik.com.  [Lippincott's Magazine of Popular Literature and Science Volume 11, No. 22, January, 1873] Reference

I didnt count on the strenuousness of Admiral Janeways objections.    From Wordnik.com.  [Star Trek: Voyager®: Full Circle] Reference

IT is customary to complain of the bustle and strenuousness of our epoch.    From Wordnik.com.  [Orthodoxy] Reference

John Quincy represented a stage in the evolution of Puritanism into strenuousness.    From Wordnik.com.  [America's First Dynasty] Reference

It struck me that Australians and New Zealanders are certainly not noted for strenuousness.    From Wordnik.com.  [Ranching, Sport and Travel] Reference

Overwork, a strained strenuousness, has been a common characteristic of the rulers of mankind in the past.    From Wordnik.com.  [The Shape of Things to Come] Reference

That he was a nobleman of high spirits is evident from the strenuousness with which he lived his short life.    From Wordnik.com.  [The Portland Peerage Romance] Reference

By this time in American history, indeed, the leadership consensus had shifted from strenuousness to cheerfulness.    From Wordnik.com.  [The Chosen Peoples] Reference

There is the stimulus to intense effort, the awakening of strenuousness which may carry over into other fields of activity.    From Wordnik.com.  [Problems of Conduct] Reference

Who knew, perhaps the Party was rotten under the surface, its cult of strenuousness and selfdenial simply a sham concealing iniquity.    From Wordnik.com.  [Nineteen Eighty-Four] Reference

Who knew, perhaps the Party was rotten under the surface, its cult of strenuousness and self-denial simply a sham concealing iniquity.    From Wordnik.com.  [Nineteen Eighty-four] Reference

The sheer size and strenuousness of the effort tends to squelch even the best jokes: this deafening movie defines the term overproduced.    From Wordnik.com.  [Bang, Bang, Kiss, Kiss] Reference

No one can deny great merit to such strenuousness.    From Wordnik.com.  [How to Study and Teaching How to Study] Reference

'I deplore the strenuousness of the world in general.    From Wordnik.com.  [The Explorer] Reference

In each reader the strenuousness had taken a different form.    From Wordnik.com.  [Emmy Lou Her Book and Heart] Reference

"We think a good deal of strenuousness," objected the bishop.    From Wordnik.com.  [South Wind] Reference

He had brought back to the flat the strenuousness of business.    From Wordnik.com.  [The Innocents A Story for Lovers] Reference

She felt the strenuousness of striving to keep abreast of Hattie.    From Wordnik.com.  [Emmy Lou Her Book and Heart] Reference

The strenuousness of the fall campaign almost wiped these events from.    From Wordnik.com.  [Jewel Weed] Reference

There was strenuousness in the air, and she resented it on her vacation.    From Wordnik.com.  [Uneasy Money] Reference

I know now that the speed and strenuousness of it was telling upon all of us.    From Wordnik.com.  [The Message] Reference

It was their strenuousness which had given Lady Wetherby that battered feeling.    From Wordnik.com.  [Uneasy Money] Reference

He had grown to love the poverty which ever lends such strenuousness to endeavor.    From Wordnik.com.  [The Martian] Reference

Perhaps a strenuousness may be imparted by them which, otherwise, I cannot hope to obtain.    From Wordnik.com.  [Edgar Huntly or, Memoirs of a Sleep-Walker] Reference

At Harrow the dominant chord among masters and boys is a harmony of strenuousness and sentiment.    From Wordnik.com.  [The Hill A Romance of Friendship] Reference

'We shall both be forgotten long before then, you with your strenuousness, and I with my folly.'.    From Wordnik.com.  [The Explorer] Reference

Mrs. Foster was too much occupied by the strenuousness of life to dwell upon the passing of souls.    From Wordnik.com.  [In the Closed Room] Reference

It was a note from a fog-horn for strenuousness, it seems to me, but the doomed voyager did not catch it.    From Wordnik.com.  [Essays on Paul Bourget] Reference

Inevitably, the sentiment becomes, at times, sentimental; and then strenuousness pushes it into a corner.    From Wordnik.com.  [The Hill A Romance of Friendship] Reference

But together with this tragic strenuousness there was always the personal magic which winged it and gave it power.    From Wordnik.com.  [A Writer's Recollections — Volume 2] Reference

He felt that he could slacken the strenuousness of his exertions and let his fortune expand naturally under prudent management.    From Wordnik.com.  [The Faith Doctor A Story of New York] Reference

But she had left in it strenuousness enough to make it a powerful stimulant to Phillida's native impulse toward self-sacrifice.    From Wordnik.com.  [The Faith Doctor A Story of New York] Reference

It stands in our records for all we venerate and strive for: loyalty, honour, purity, strenuousness, faithfulness in friendship.    From Wordnik.com.  [The Hill A Romance of Friendship] Reference

Not only was he increasing in size and weight, but he was storing up strength and strenuousness for the work that lay before him.    From Wordnik.com.  [Forest Neighbors Life Stories of Wild Animals] Reference

Its claims in that way are unique, whereas its affinities with strenuousness are less emphatic than those of the pluralistic scheme.    From Wordnik.com.  [Meaning of Truth] Reference