rigor

• POS: Noun
• HYPHEN: rig=or

CIDE DICTIONARY

rigor, n. [L. See Rigor., below.].

•  Rigidity; stiffness.  [1913 Webster]
•  A sense of chilliness, with contraction of the skin; a convulsive shuddering or tremor, as in the chill preceding a fever.  [1913 Webster]

∥Rigor caloris ( [L., rigor of heat] (Physiol.), a form of rigor mortis induced by heat, as when the muscle of a mammal is heated to about 50 -- ∥Rigor mortis ( [L. , rigor of death], death stiffening; the rigidity of the muscles that occurs at death and lasts till decomposition sets in. It is due to the formation of myosin by the coagulation of the contents of the individual muscle fibers.

rigor, n. [OE. rigour, OF. rigour, F. rigueur, from L. rigor, fr. rigere to be stiff. See Rigid.].

•  The becoming stiff or rigid; the state of being rigid; rigidity; stiffness; hardness.  [1913 Webster]

  "The rest his look
  Bound with Gorgonian rigor not to move."  [1913 Webster]
•  See 1st Rigor, 2.  [1913 Webster]
•  Severity of climate or season; inclemency; as, the rigor of the storm; the rigors of winter.  [1913 Webster]
•  Stiffness of opinion or temper; rugged sternness; hardness; relentless severity; hard-heartedness; cruelty.  [1913 Webster]

  "All his rigor is turned to grief and pity."  [1913 Webster]

  "If I shall be condemn'd
  Upon surmises, . . . I tell you
  'T is rigor and not law."  [1913 Webster]
•  Exactness without allowance, deviation, or indulgence; strictness; as, the rigor of criticism; to execute a law with rigor; to enforce moral duties with rigor; -- opposed to lenity.  [1913 Webster]
•  Severity of life; austerity; voluntary submission to pain, abstinence, or mortification.  [1913 Webster]

  "The prince lived in this convent with all the rigor and austerity of a capuchin."  [1913 Webster]
•  Violence; force; fury.  [1913 Webster]

  "Whose raging rigor neither steel nor brass could stay."  [1913 Webster]

Syn. -- Stiffness; rigidness; inflexibility; severity; austerity; sternness; harshness; strictness; exactness.

OXFORD DICTIONARY

rigor, n. Med.
1 a sudden feeling of cold with shivering accompanied by a rise in temperature, preceding a fever etc.
2 rigidity of the body caused by shock or poisoning etc.

rigor, US var. of RIGOUR.

THESAURUS

rigor

Albigensianism, Catharism, Franciscanism, Sabbatarianism, Trappism, Waldensianism, Yoga, absolute zero, absoluteness, abstinence, abstruseness, accuracy, acerbity, acidity, acridity, acrimony, acuteness, adverse circumstances, adversity, affliction, aggravation, algidity, anchoritic monasticism, anchoritism, animality, annoyance, arduousness, asceticism, asperity, astringency, atrocity, attention to detail, attention to fact, austerity, barbarity, bite, bitterness, bleakness, blight, bloodlust, bothersomeness, briskness, brutality, bummer, burdensomeness, care, care for truth, causticity, chill, chilliness, circumstantiality, cold, coldness, complexity, complication, conscientiousness, cool, coolness, coolth, correctness, crispness, criticality, criticalness, cross, cryogenics, cryology, curse, decrease in temperature, delicacy, destructiveness, detail, difficulties, difficultness, difficulty, downer, edge, eremitism, exactingness, exactitude, exactness, exquisiteness, extremity, faithfulness, fasting, faultlessness, ferociousness, fidelity, fierceness, fineness, finicality, finicalness, finickiness, finickingness, firmness, flagellation, flawlessness, force, freezing point, freshness, frigidity, frostiness, fundamentalism, furiousness, fussiness, gelidity, grip, hairiness, hard knocks, hard life, hard lot, hardcase, hardness, hardship, harshness, iciness, impetuosity, impliability, inclemency, inexorability, inflexibility, inhospitableness, inhumanity, intense cold, intensity, intricacy, irritation, keenness, laboriousness, literalism, literality, literalness, low temperature, maceration, malignity, mathematical precision, mendicantism, mercilessness, meticulousness, mindlessness, minuteness, monachism, monasticism, mordacity, mordancy, mortification, murderousness, niceness, nicety, nip, nippiness, obduracy, obdurateness, obstinacy, onerousness, oppressiveness, orthodoxy, particularity, particularness, perfection, pitilessness, plight, poignancy, point, preciseness, precisianism, precision, predicament, pressure, punctilio, punctiliousness, punctuality, purism, puritanism, rawness, refinement, relentlessness, renitence, renitency, right, rightness, rigidity, rigidness, rigorism, rigorousness, roughness, ruggedness, savagery, scrupulosity, scrupulousness, sea of troubles, self-denial, self-mortification, severity, sharp air, sharpness, starchiness, sternness, stiffness, sting, strenuousness, stress, stress of life, strictness, stridency, stringency, stubbornness, subtlety, tartness, tautness, teeth, tenseness, tension, tensity, terrorism, textualism, the letter, tightness, toilsomeness, toughness, trenchancy, trial, tribulation, trouble, troubles, troublesomeness, unbendingness, uncompromisingness, ungentleness, unrelentingness, unyieldingness, vale of tears, vandalism, vehemence, venom, viciousness, vicissitude, violence, virulence, visitation, voluntary poverty

ROGET THESAURUS

rigor

Severity

N severity, strictness, harshness, rigor, stringency, austerity, inclemency, arrogance, precisianism, arbitrary power, absolutism, despotism, dictatorship, autocracy, tyranny, domineering, oppression, assumption, usurpation, inquisition, reign of terror, martial law, iron heel, iron rule, iron hand, iron sway, tight grasp, brute force, brute strength, coercion, strong hand, tight hand, hard lines, hard measure, tender mercies, sharp practice, pipe-clay, officialism, tyrant, disciplinarian, precisian, martinet, stickler, bashaw, despot, hard master, Draco, oppressor, inquisitor, extortioner, harpy, vulture, accipitres, birds of prey, raptorials, raptors, severe, strict, hard, harsh, dour, rigid, stiff, stern, rigorous, uncompromising, exacting, exigent, exigeant, inexorable, inflexible, obdurate, austere, hard-headed, hard-nosed, hard-shell, relentless, Spartan, Draconian, stringent, strait-laced, searching, unsparing, iron-handed, peremptory, absolute, positive, arbitrary, imperative, coercive, tyrannical, extortionate, grinding, withering, oppressive, inquisitorial, inclement, cruel, haughty, arrogant, precisian, severely, with a high hand, with a strong hand, with a tight hand, with a heavy hand, at the point of the sword, at the point of the bayonet, Delirant reges plectuntur Achivi, manu forti, ogni debole ha sempre il suo tiranno.

Cold

N cold, coldness, frigidity, inclemency, fresco, winter, depth of winter, hard winter, Siberia, Nova Zembla, wind- chill factor, ice, snow, snowflake, snow crystal, snow drift, sleet, hail, hailstone, rime, frost, hoar frost, white frost, hard frost, sharp frost, barf, glaze, lolly, icicle, thick-ribbed ice, fall of snow, heavy fall, iceberg, icefloe, floe berg, glacier, nev_ee, serac, pruina, freezing mixture, dry ice, liquid nitrogen, liquid helium, chilliness, chill, shivering, goose skin, horripilation, rigor, chattering of teeth, numbness, frostbite, cold, cool, chill, chilly, icy, gelid, frigid, algid, fresh, keen, bleak, raw, inclement, bitter, biting, niveous, cutting, nipping, piercing, pinching, clay-cold, starved, chilled to the bone, shivering, aguish, transi de froid, frostbitten, frost-bound, frost-nipped, cold as a stone, cold as marble, cold as lead, cold as iron, cold as a frog, cold as charity, cold as Christmas, cool as a cucumber, cool as custard, icy, glacial, frosty, freezing, pruinose, wintry, brumal, hibernal, boreal, arctic, Siberian, hyemal, hyperborean, hyperboreal, icebound, frozen out, unwarmed, unthawed, lukewarm, tepid, isocheimal, isocheimenal, isocheimic, frozen, numb, frost-bitten, coldly, bitterly, pierre fendre.

Truth

N truth, fact, reality, plain fact, plain matter of fact, nature, truth, verity, gospel, gospel truth, God's honest truth, orthodoxy, authenticity, veracity, correctness, correctitude, accuracy, exactitude, exactness, preciseness, precision, delicacy, rigor, mathematical precision, punctuality, clockwork precision, conformity to rule, nicety, orthology, ipsissima verba, realism, plain truth, honest truth, sober truth, naked truth, unalloyed truth, unqualified truth, stern truth, exact truth, intrinsic truth, nuda veritas, the very thing, not an illusion, real Simon Pure, unvarnished tale, unvarnished truth, the truth the whole truth and nothing but the trut, just the thing, real, actual, veritable, true, right, correct, certain, substantially true, categorically true, definitively true, true to the letter, true as gospel, unimpeachable, veracious, unreconfuted, unconfuted, unideal, unimagined, realistic, exact, accurate, definite, precise, well-defined, just, just so, so, strict, severe, close, literal, rigid, rigorous, scrupulous, religiously exact, punctual, mathematical, scientific, faithful, constant, unerring, curious, particular, nice, delicate, fine, clean-cut, clear-cut, verified, empirically true, experimentally verified, substantiated, proven (demonstrated), rigorously true, unquestionably true, true by definition, genuine, authentic, legitimate, orthodox, official, ex officio, pure, natural, sound, sterling, unsophisticated, unadulterated, unvarnished, unalloyed, uncolored, in its true colors, pukka, well-grounded, well founded, solid, substantial, tangible, valid, undistorted, undisguised, unaffected, unexaggerated, unromantic, unflattering, truly, verily, indeed, really, in reality, with truth, certainly, actually, in effect, exactly, ad amussim, verbatim, verbatim et literatim, word for word, literally, literatim, totidem vervis, sic, to the letter, chapter and verse, ipsissimis verbis, ad unguem, to an inch, to a nicety, to a hair, to a tittle, to a turn, to a T, au pied de la lettre, neither more nor less, in every respect, in all respects, sous tous les rapports, at any rate, at all events, strictly speaking, the truth is, the fact is, rem acu tetigisti, en suivant la verite, ex facto jus oritur, la verita e figlia del empo, locos y ninos dicen la verdad, crazy people and children tell the truth, nihil est veritatis luce dulcius, veritas nunquam perit, veritatem dies aperit, the truth, the whole truth, and nothing but the truth, just the facts, ma'am, just the facts.