• WordNet 3.6
    • adj rigid incapable of or resistant to bending "a rigid strip of metal","a table made of rigid plastic","a palace guardsman stiff as a poker","stiff hair","a stiff neck"
    • adj rigid designating an airship or dirigible having a form maintained by a stiff unyielding frame or structure
    • adj rigid incapable of adapting or changing to meet circumstances "a rigid disciplinarian","an inflexible law","an unbending will to dominate"
    • adj rigid fixed and unmoving "with eyes set in a fixed glassy stare","his bearded face already has a set hollow look"- Connor Cruise O'Brien","a face rigid with pain"
    • adj rigid incapable of compromise or flexibility
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: 3 out of 4 of us store our dollar bills in rigid order with singles leading up to higher denominations.
    • Rigid Firm; stiff; unyielding; not pliant; not flexible. "Upright beams innumerable
      Of rigid spears."
    • Rigid Hence, not lax or indulgent; severe; inflexible; strict; as, a rigid father or master; rigid discipline; rigid criticism; a rigid sentence. "The more rigid order of principles in religion and government."
    • ***
Century Dictionary and Cyclopedia
    • rigid Stiff; not pliant or easily bent; not plastic or easily molded; resisting any change of form when acted upon by force; hard.
    • rigid Not easily driven back or thrust out of place; unyielding; firm.
    • rigid Not easily wrought upon or affected; inflexible; hence, harsh; severe; rigorous; rigorously framed or executed: as, a rigid sentence; rigid criticism.
    • rigid Strict in opinion, conduct, discipline, or observance; uncompromising; scrupulously exact or exacting: as, a rigid disciplinarian; a rigid Calvinist.
    • rigid Stiff in outline or aspect; harsh; hard; rugged; without smoothness, softness, or delicacy of appearance.
    • rigid Sharp; severe; bitter; cruel.
    • rigid In dynamics: Absolutely incapable of being strained.
    • rigid Resisting stresses.
    • rigid Synonyms and Severe, Rigorous, etc. (see austere), inflexible, unbending, unyielding.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Rigid rij′id not easily bent: stiff: severe: strict: unyielding: harsh: without delicacy: wanting in ease
    • ***


  • Charles Dickens
    “It was a good thing to have a couple of thousand people all rigid and frozen together, in the palm of one's hand.”
  • Lynn White
    Lynn White
    “We live in an era when rapid change breeds fear, and fear too often congeals us into a rigidity which we mistake for stability.”
  • Lord Byron
    “Constancy... that small change of love, which people exact so rigidly, receive in such counterfeit coin, and repay in baser metal.”
  • Virginia Woolf
    “Rigid, the skeleton of habit alone upholds the human frame.”
  • Robert Heller
    Robert Heller
    “The difference between management and administration(which is what the bureaucrats used to do exclusively) is the difference between choice and rigidity.”
  • Malcolm Bradbury
    Malcolm Bradbury
    “I like the English. They have the most rigid code of immorality in the world.”


Webster's Revised Unabridged Dictionary
L. rigidus, fr. rigere, to be stiff or numb: cf. F. rigide,. Cf. Rigor.
Chambers's Twentieth Century Dictionary
L. rigidusrigēre, to be stiff with cold.


In literature:

He believed that no great success is possible without the most rigid accuracy in everything.
"Pushing to the Front" by Orison Swett Marden
I was equipped ready for my journey, and I flattered myself that my outward appearance was that of a rigid mollah.
"The Adventures of Hajji Baba of Ispahan" by James Morier
As time goes on, Meredith's mannerisms have grown rigid, like old bones.
"Figures of Several Centuries" by Arthur Symons
His face set itself in rigid resolve.
"The Tyranny of Weakness" by Charles Neville Buck
The tension should be sufficient to keep the framework rigid.
"The Aeroplane Speaks" by H. Barber
There were few fixed and rigid barriers.
"The Long Roll" by Mary Johnston
The rigidity of his posture, straining forward there on his seat, became suddenly painful and absurd.
"The Best Short Stories of 1920" by Various
You observe that she is tall, angular, and rigid.
"The Golden Shoemaker" by J. W. Keyworth
He leaned far forward, tense and rigid on the limb, shielding his spark in one of his hands, while he peered about the pool.
"As It Was in the Beginning" by Philip Verrill Mighels
As they sang, Mrs. Harris withdrew her hands from the table and sat rigidly erect, yet with a peaceful look upon her face.
"The Shadow World" by Hamlin Garland

In poetry:

What were they like? What mark
Can signify their charm?
They never saw the dark;
Rigid, they never knew alarm.
"To The Romantic Traditionists" by Allen Tate
Close to us, where our final rush
Was made at closing in of day,
We saw, amid an awful hush,
The rigid shapes of clay:
"Under One Blanket" by James Barron Hope
Why gaze on the rigid features,
So white in death's embrace,
With such look of awe and pity?
'Tis only the same old face.
"Old Aunt Lucy" by Madge Morris Wagner
'What do you see in that time-touched stone,
When nothing is there
But ashen blankness, although you give it
A rigid stare?
"In The British Museum" by Thomas Hardy
To cure wounds is so rigid:
They drank the air and poisoned bread.
Young Joseph who was sold to Egypt
Could not be more deathly sad!
""To cure wounds is so rigid"" by Osip Emilevich Mandelstam
With THEE, above the taunts of empty pride,
The rigid frowns to youthful error given;
Content in solitude my griefs I'll hide,
Thy voice my counsellor­thy smiles my Heaven.
"Stanzas to a Friend" by Mary Darby Robinson

In news:

Scott Walker's unprincipled rigidity .
Engineered for snack manufacturers that ship products in a variety of packages including flexible bags, multipacks, cartons and rigid containers, the A-B-C Model 436 case sealer offers interchangeable tape and adhesive sealing.
The back, which makes the structure rigid, goes on last.
Frito-Lay, for example, jumped out of its flexible bag and into the "Go Snacks" rigid container.
Rigid thermoplastic starch (TPS) films for food, retail packaging.
Tool Rigidity Means Higher Throughput.
The company says its synchronous tapping holder, the Mega Synchro, compensates for synchronization error during rigid tapping by reducing the thrust load to both the tap and workpiece.
Roll and frame design ensure a rigid assembly and good control of the coating process.
Democrat Mark Takano attempted to tie his congressional rival to a rigid Republican right in Washington, DC while John Tavaligione portrayed himself as a moderate who will chart an independent course during a spirited debate Wednesday, Oct 3.
Denis Navarro, Oscar Lucia, Oscar Jiménez, José M Gil-Narvión, "FPGA-Based Virtual Screening Acceleration of Rigid-Molecule Docking," Computing in Science and Engineering, vol 99, no.
Hitachi Construction Machinery has launched its largest dump truck, the EH5000AC-3 rigid dump truck.
Denis Navarro, Oscar Lucia, Oscar Jiménez, José M Gil-Narvión, "FPGA-Based Virtual Screening Acceleration of Rigid-Molecule Docking ," Computing in Science and Engineering, vol 99, no.
Hitachi Construction Machinery has launched its largest dump truck , the EH5000AC-3 rigid dump truck .
The GOP has frozen into an unmovable rigidity, and if it doesn't thaw, it will splinter and crack, warns The Advocate 's Editor-in-Chief Matthew Breen.
These systems boast machine-tool quality and rigid construction with the finest components available.

In science:

Abstract. A survey of problems, conjectures, and theorems about quasiisometric classification and rigidity for finitely generated solvable groups.
Problems on the geometry of finitely generated solvable groups
On the other hand, at least some subclasses of solvable groups are indeed rigid (see §4).
Problems on the geometry of finitely generated solvable groups
The corresponding rigidity and classification problems for irreducible lattices in semisimple Lie groups have been completely solved.
Problems on the geometry of finitely generated solvable groups
Solvable groups are much less rigid than irreducible lattices in semisimple Lie groups.
Problems on the geometry of finitely generated solvable groups
Theorem 12 (Nonpolycyclic, abelian-by-cyclic groups: Rigidity).
Problems on the geometry of finitely generated solvable groups