• WordNet 3.6
    • adj rugged sturdy and strong in constitution or construction; enduring "with a house full of boys you have to have rugged furniture"
    • adj rugged very difficult; severely testing stamina or resolution "a rugged competitive examination","the rugged conditions of frontier life","the competition was tough","it's a tough life","it was a tough job"
    • adj rugged topographically very uneven "broken terrain","rugged ground"
    • adj rugged having long narrow shallow depressions (as grooves or wrinkles) in the surface "furrowed fields","his furrowed face lit by a warming smile"
    • ***
Webster's Revised Unabridged Dictionary
    • Rugged Full of asperities on the surface; broken into sharp or irregular points, or otherwise uneven; not smooth; rough; as, a rugged mountain; a rugged road. "The rugged bark of some broad elm."
    • Rugged Harsh; hard; crabbed; austere; -- said of temper, character, and the like, or of persons. "Neither melt nor endear him, but leave him as hard, rugged , and unconcerned as ever."
    • Rugged Not neat or regular; uneven. "His well-proportioned beard made rough and rugged ."
    • Rugged Rough to the ear; harsh; grating; -- said of sound, style, and the like. "Through the harsh cadence of a rugged line."
    • Rugged Rough with bristles or hair; shaggy. "The rugged Russian bear."
    • Rugged Sour; surly; frowning; wrinkled; -- said of looks, etc. "Sleek o'er your rugged looks."
    • Rugged Stormy; turbulent; tempestuous; rude.
    • Rugged Vigorous; robust; hardy; -- said of health, physique, etc.
    • Rugged Violent; rude; boisterrous; -- said of conduct, manners, etc.
    • ***
Century Dictionary and Cyclopedia
    • rugged Having a rough, hairy surface or nap; shaggy; bristly; ragged.
    • rugged Covered with rough projections; broken into sharp or irregular points or prominences; rough; uneven: as, a rugged mountain; rugged rocks.
    • rugged Wrinkled; furrowed; corrugated; hence, ruffled; disturbed; uneasy.
    • rugged Rough to the ear; harsh; grating.
    • rugged Unsoftened by refinement or cultivation; rude; homely; unpolished; ignorant.
    • rugged Rough in temper; harsh; hard; austere.
    • rugged Marked by harshness, severity, or anger; fierce; rough; ungentle.
    • rugged Rough; tempestuous: said of the sea or weather.
    • rugged Vigorous; robust; strong in health.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Rugged rug′ed rough: uneven: shaggy: sour: stormy: grating to the ear: wrinkled: ruffled: homely: unpolished: rough: ungentle:
    • adj Rugged rug′ed (U.S.) robust
    • ***


  • Nicholas Boileau
    “Honor is like an island, rugged and without a beach; once we have left it, we can never return.”
  • George Age
    George Age
    “Only the more rugged mortals should attempt to keep up with current literature.”
  • Jacques Prevert
    Jacques Prevert
    “An orange on the table, your dress on the rug, and you in my bed, sweet present of the present, cool of night, warmth of my life.”
  • Robertson Davies
    “I think of an author as somebody who goes into the marketplace and puts down his rug and says, I will tell you a story, and then he passes the hat.”


Cut a rug - To cut a rug is to dance.
Snug as a bug in a rug - If you're as snug as a bug in a rug, you are feeling very comfortable indeed.


Webster's Revised Unabridged Dictionary
See Rug (n.)
Chambers's Twentieth Century Dictionary
Scand.; cf. Rug.


In literature:

That night, as Roger lay upon the soft pile of quilted rugs prepared for him, his mind was sorely troubled as to his position.
"By Right of Conquest" by G. A. Henty
Maurice, stretched upon the rugs, with his face turned towards the terrace wall, was lying still.
"The Call of the Blood" by Robert Smythe Hichens
A brown grass rug filled most of the floor space.
"Left End Edwards" by Ralph Henry Barbour
No, I'll not sell one of you a rug of any size, shape, or colour.
"Under the Country Sky" by Grace S. Richmond
How good his stolid, rugged face looked!
"A Little Girl in Old Detroit" by Amanda Minnie Douglas
The floor was polished, with a rug laid down in the centre.
"A Little Girl in Old Salem" by Amanda Minnie Douglas
These rugs extended north and south.
"Eighth Annual Report" by Various
Below us, the Atlantic surged heavily and impatiently round the rugged Mull.
"Sir Ludar" by Talbot Baines Reed
Uncle Rufus can't beat rugs, and lift and carry, like a younger person.
"The Corner House Girls at School" by Grace Brooks Hill
As they stamped, the rug continued to flatten down; it sank under their tread with a horrible, sickening, squashing sound.
"The Girl in the Golden Atom" by Raymond King Cummings
He caught up rugs and blankets, and covered the sufferer warmly.
"To Win or to Die" by George Manville Fenn
Next day we began to ascend the mountains by the most rugged of paths.
"On the Banks of the Amazon" by W.H.G. Kingston
He bolted around the corner and swarmed up the conveniently rugged stones of the wall.
"The Pirates of Ersatz" by Murray Leinster
When Sir Arthur Ashby turned uneasily on his rugs some time afterward, even this feeble light was gone.
"The River of Darkness" by William Murray Graydon
They followed the rugged mountain side for several hundred yards.
"The Camp in the Snow" by William Murray Graydon
The floor is of hard wood and oiled, and rugs of every description are scattered about.
"Floyd Grandon's Honor" by Amanda Minnie Douglas
Instead, it offers rugged spaciousness.
"The Book of the National Parks" by Robert Sterling Yard
Her eyes too were held by the rugged coast.
"El Diablo" by Brayton Norton
The walls of this cavern were of satin, priceless rugs, which hung without a quiver in the breathless gloom.
"Peter the Brazen" by George F. Worts
Then cover the surface of the roof with rugs or else stretch a matting over the tin.
"Social Life" by Maud C. Cooke

In poetry:

And soft thy shading lay
On vale and woodland deep;
With sunshine's lovely ray
Light o'er the rugged steep.
"Spring" by Mary Baker Eddy
"My mother lays me on the floor,
Upon a little rug;
And I ne'er think of nothing more,
When I'm so warm and snug.
"The Dean's Brother" by John Hartley
And all of rugged Tartary
Lies with him on the ground,
The Tartary that knows no awe,
That has nor ban nor bound.
"Wild Ass" by Padraic Colum
Where no sound was ever heard
But the ocean's hollow roar,
As it breaks, in foamy mountains,
Along the rugged shore:
"Song of the Crew of Diaz" by Louisa Stuart Costello
O'er that mother's rugged features
Thou art throwing Fancy's veil,
Light and soft as woven moonbeams,
Beautiful and frail
"To ------," by John Greenleaf Whittier
On the rugged coast of Maine
Stands the frugal farmer's cot:
What if drive the sleet and rain?
John and Hannah heed it not.
"Fido" by Hanford Lennox Gordon

In news:

Designed by Clémentine Giaconia of Paris's Studio FRST, the hand-knotted rugs come in four sizes, from about 3 by 3 ½ feet to 7 feet square.
It lets two leads slip away in rugged game, which could make possible rematch in playoffs more interesting.
Items Tagged with 'rug cleaning equipment '.
The Worker's Rug: Fine Art From Day Labor.
Diamond Rugs' rock collaboration offers Halloween debauchery .
Diamond Rugs, a band originated by John McCauley of Deer Tick and Middle Brother, will be in Birmingham at Workplay on Halloween night.
Deer Tick 's John McCauley Started a Joke, Ended Up With Diamond Rugs.
Deer Tick's John McCauley Started a Joke, Ended Up With Diamond Rugs.
'Facts of Life' star and devout Christian Lisa Whelchel said she'll lie like a rug if it helps her win 'Survivor'.
TROY, NC— Capel Inc, area rug importer and manufacturer, has appointed Lou Herring Webster as its new design director of its product development team.
She replaces Kea Capel, who left the company earlier this year to start her own accent and area rug company, Kea Inc.
The Enemy of Wool Rugs.
The following statement may surprise you coming from a rugged outdoorsman like me: I like Food Network.
Kalaty Rug Corporation has added an eco-friendly solar electrical system to its headquarters and warehouse here.
Although there were expectations that he would join the family rug business, his heart was set on theater.

In science:

The scaling of the relaxation data therefore does not imply the existence of a rugged free energy landscape or a glass phase due to strong electron-electron interactions.
A Simple Model for Simple Aging in Glassy Yttrium-Hydrides
Finally, our work addresses the broad question of producing, inferring, and representing complex and rugged structures of the hypercube.
Random subcubes as a toy model for constraint satisfaction problems
Interestingly, even non-incremental algorithms may also pass the cd threshold [34, 20], and that might come as a surprise for those having in mind the “rugged” many-valley energy landscape picture of spin glasses.
Phase Transitions and Computational Difficulty in Random Constraint Satisfaction Problems
The friction can be neglected although the surface is somewhat rugged.
A probabilistic mechanics theory for random dynamics
A smooth code therefore has a lesser error-load than a “rugged” one (Fig 1B).
A colorful origin for the genetic code: Information theory, statistical mechanics and the emergence of molecular codes
Evolutionary tra jectories in rugged fitness landscapes. J.
Nonlinear deterministic equations in biological evolution
Sibani, P., Brandt, M., Alstrøm, P.: Evolution and extinction dynamics in rugged fitness landscapes.
Correlations between record events in sequences of random variables with a linear trend
It is generally agreed that these energy landscapes are rugged.
Increasing the attraction area of the global minimum in the binary optimization problem
Regarding the canonical forms for F [¶, r ], there is one more issue that we have so far swept under the rug.
Symbolic Analysis for Boundary Problems: From Rewriting to Parametrized Gr\"obner Bases
Here, the martingale we consider has jumps (since X itself has), which complicates the matter a little, but let us keep this under the rug.
Random walk in random environment, corrector equation, and homogenized coefficients: from theory to numerics, back and forth
This remark suggests that the folding process may have something in common with the physics of glassy systems, where competing interactions (frustration) and/or disorder lead to a very rugged phase space, resulting in slow dynamical processes.
Protein folding and heteropolymers
As we shall see, the main reason is that the energy landscape of a compact chain is very rugged, with an exponentially large number of metastable states, separated by high barriers.
Protein folding and heteropolymers
Bak and Sneppen represented the ease with which this “excitation ” could take place by a “ fitness barrier ” bi for the mutation of the ith species (see Figure 2), analogous to the energy barrier which a physical system has to cross to move from one local energy minimum to another on a rugged energy landscape.
Simple models of evolution and extinction
Hence the experimental evidence for flatness now, is consistent with flatness even at the primordial quantum fluctuation, which is commonly thought to be on the contrary dramatically rugged, and this seems possible only if its total energy is zero.
Speakable and unspeakable in cosmology: dark matter vs. gravitational self energies. Hubble's constant, the cosmological term and all that
This latter choice, along with the shorter SAW lengths relative to those used in the ferromagnetic model, are consequences of the extremely rugged energy landscape of these spin glass models and merit some closer consideration.
Intracluster Moves for Constrained Discrete-Space MCMC