• WordNet 3.6
    • n toughness impressive difficulty
    • n toughness the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking
    • n toughness the property of being big and strong
    • n toughness enduring strength and energy
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: The cartoon character Popeye was actually based on a real person named Frank "Rocky" Fiegel who was a tough guy who was quite similar to Popeye physically
    • n Toughness The quality or state of being tough.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: As artists and traders in medieval cities began to form organizations, they instituted tough initiation ceremonies. For example, journeymen in Bergen, Norway, were shoved down a chimney, thrown three times into the sea, and soundly whipped.
    • n toughness The property or character of being tough, in any sense.
    • ***


  • Ching Ning Chu
    Ching Ning Chu
    “It is not whether your words or actions are tough or gentle; it is the spirit behind your actions and words that announces your inner state.”
  • Robert H. Schuller
    “Tough times never last, but tough people do.”
  • Source Unknown
    Source Unknown
    “We need tough days to drive us to our knees.”
  • Reggie White
    Reggie White
    “I have a lot of respect for tough coaches.”
  • Mike Ditka
    Mike Ditka
    “You have to be tough.”
  • Source Unknown
    Source Unknown
    “When the going gets tough, the tough hang in there.”


Tough as old boots - Something or someone that is as tough as old boots is strong and resilient.
Tough cookie - A tough cookie is a person who will do everything necessary to achieve what they want.
Tough luck - Tough luck is bad luck.
Tough nut to crack - If something is a tough nut to crack, it is difficult to find the answer or solution. When used about a person, it means that it is difficult to get them to do or allow what you want. 'Hard nut to crack' is an alternative.
Tough row to hoe - (USA) A tough row to hoe is a situation that is difficult to handle. ('A hard row to hoe' is an alternative form.)


In literature:

Murdoch took his nod as evidence enough, and turned to the wretched toughs.
"Police Your Planet" by Lester del Rey
It's too tough a lifetime assignment.
"David Lannarck, Midget" by George S. Harney
I felt like flashing a twenty at him like a private eye did in the old tough-books, but I knew it wouldn't work.
"Highways in Hiding" by George Oliver Smith
In old or exceedingly large vegetables the cellulose may be very tough; hence a long period of cooking is necessary.
"Ontario Teachers' Manuals: Household Science in Rural Schools" by Ministry of Education Ontario
That was tough," said Milton to Radbourn; "knocked the wind out o' him like a cannon-ball.
"Prairie Folks" by Hamlin Garland
Good things in the long run are often tough while they're happening.
"Space Viking" by Henry Beam Piper
Why, he wondered, didn't the Masters make the Toughs sweep their own barracks?
"Rebels of the Red Planet" by Charles Louis Fontenay
When a boy has never done much steady walking it comes tough for a time.
"The Banner Boy Scouts on a Tour" by George A. Warren
Anything touched by the beam is broken by its own molecules, twisted by its own strength, and crushed by its own toughness.
"Islands of Space" by John W Campbell
Then she discovered she was clutching a handful of his shirt along with a considerable chunk of tough skin.
"Legacy" by James H Schmitz
When fully grown, the leaves become tough, and often bitter.
"The Field and Garden Vegetables of America" by Fearing Burr
He was much too tough for that.
"The Prairie Chief" by R.M. Ballantyne
There were not enough spare blankets to cover them as the fugitives wished to do, but they were too tough to suffer much.
"The Young Ranchers" by Edward S. Ellis
It must be tough to be separated from your family.
"Valley of Wild Horses" by Zane Grey
Adam is not in the hunt with that tough old fellow.
"Bible Romances" by George W. Foote
Now Burris seemed to think of him as a kind of god, and gave him all the tough dirty jobs.
"Occasion for Disaster" by Gordon Randall Garrett
It was a pretty tough town.
"Slave Narratives: a Folk History of Slavery in the United States From Interviews with Former Slaves" by Work Projects Administration
I should say you would have tough traveling all the way.
"The Pony Rider Boys in Alaska" by Frank Gee Patchin
The tough uttered a howl as he went down, and Ferris gave a cry of consternation.
"The Missing Tin Box" by Arthur M. Winfield
Then it becomes tough, rigid and hard, and remains so until the process of decomposition begins.
"A Course of Lectures on the Principles of Domestic Economy and Cookery" by Juliet Corson

In poetry:

The bronco's mighty wild and tough,
And full of outdoor feelin's:
His feet are quick, his ways are rough,
He's careless in his dealin's.
"The Bronco" by Henry Herbert Knibbs
When sixty bids us sigh in vain
To melt the heart of sweet sixteen,
We think upon those ladies twain
Who loved so well the tough old Dean.
"The Last Blossom" by Oliver Wendell Holmes
Ah no, she says, and she is tough,
and smacks me down with her rebuff.
Ah no, she says, I will not come
after the bloody things you've done.
"Ballad Of The Despairing Husband" by Robert Creeley
But conscience was tough, it was not enough
And their honesty never swerved,
And they bade him go with Mister Joe
To the Devil as he deserved.
"The Surgeon's Warning" by Robert Southey
Austere in taste, and tough at core,
Its unrelenting bulk was shed,
To ripen in the Pilgrim’s store
When all the summer sweets were fled.
"The New Eden" by Oliver Wendell Holmes
So here's a health in homely rhyme
To our oldest classmate, Father Time!
May our last survivor live to be
As bald and as wise and as tough as he!
"Our Oldest Friend" by Oliver Wendell Holmes

In news:

Dense fog advisory begins at 9 p.m. Golden Eagles rebound from tough loss with blowout win.
What a tough night at the Hall.
"He's a tough guy," Beamer said.
Former Olympian tests toughness in World Wrestling Entertainment bouts .
Weekly Tough Guy Awards Return.
Hillenmeyer can vouch for Snedeker's toughness.
EU leaders brace for tough budget summit.
Agriculture is a tough business.
Since the state passed its tough immigration law, many are moving elsewhere.
Actor Bill Cosby became one of TV's favorite dads when he served up tough love to his five children on "The Cosby Show".
Just because you go through a tough time, doesn't mean you change yo...
This election is taking on the tough issues.
Here are two tough questions for DC Schools Chancellor Kaya Henderson.
Giants hold players-only session to ' clear the air ' before tough six-game stretch.
Britain is in the process of unveiling tough budget cuts to trim the country's deficit.

In science:

The study of this mixed periodic-localized 2D scattering problem is a tough technical question that we report in a future investigation.
Nonlinear supratransmission as a fundamental instability
The author recently applied these results to several interesting combinatorial problems, for example to tough Ramsey graphs (with P.
On kaleidoscopic pseudo-randomness of finite Euclidean graphs
N The task of obtaining the r.h.s. of eq. (2) from the l.h.s. and vice versa is in general a tough matter.
'Which Multiverse?': Some FAQ
Tough, in Progress in Low Temperature Physics, edited by D.F.
Rotating Superfluid Turbulence
Such calculations are generally very tough – they involve complex fusion/bootstrap calculations – and the results are typically more opaque than in bulk cases .
Twisted Yangians and symmetric pairs
In practice the final integrations may be quite tough.
Integrability versus separability for the multi-centre metrics
The description of long-term evolution of accretion in a lagrangian coordinate is a numerically tough problem.
Postbounce evolution of core-collapse supernovae: Long-term effects of equation of state
Polymersomes: tough vesicles made from diblock copolymers.
Biological and synthetic membranes: What can be learned from a coarse-grained description?
The iteration procedures Tough we have stated and proved Theorem 1, we need a constructive procedure to find the extreme point.
Application of Quantum Theory to Super-parametric Density Estimation
Up to now we cannot resolve the much larger cores, and even with ALMA this will be very tough.
Panel discussion I: Star formation in galaxies: how do we continue?
However, Capstick and Roberts have warned that these amplitudes tend to be “quite small” and the going is going to be tough.
Challenges in Hadron Physics
For many years now, it is hoped that there exists a simple relation between material toughness and the self-affine exponent of rough cracks, although such a hope appears too optimistic now (see Ref. for controversies related to this topic).
Size effects in statistical fracture
Precision measurement of atomic physics is a tough business: a slightly whimsical Table 5.1 cites some reasons and contains references to a few selected experiments relevant to Ba+ atomic structure.
Single barium ion spectroscopy: light shifts, hyperfine structure, and progress on an optical frequency standard and atomic parity violation
Even tough a shift of the maximum of Rπ0 pP b(η = 0) to such high values of pT is a natural consequence in collinear factorization reflecting nuclear modifications of PDFs, it cannot be accounted for in terms of kT -broadening, since such models predict a mild dependence of the spectrum with the center-of-mass energy .
Testing collinear factorization and nuclear parton distributions with pA collisions at the LHC
Toughness is the key material property to describe its ability to absorb energy and deform without fracturing.
Mechanical Properties of Graphene Papers