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4 definitions found
 for rigor
From The Collaborative International Dictionary of English v.0.48 :

  Rigor \Ri"gor\, n. [L. See Rigor., below.]
     1. Rigidity; stiffness.
        [1913 Webster]
     2. (ed.) 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[deg] C.
     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.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Rigor \Rig"or\, n. [OE. rigour, OF. rigour, F. rigueur, from L.
     rigor, fr. rigere to be stiff. See Rigid.] [Written also
     1. 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. --Milton.
        [1913 Webster]
     2. (Med.) See 1st Rigor, 2.
        [1913 Webster]
     3. Severity of climate or season; inclemency; as, the rigor
        of the storm; the rigors of winter.
        [1913 Webster]
     4. Stiffness of opinion or temper; rugged sternness;
        hardness; relentless severity; hard-heartedness; cruelty.
        [1913 Webster]
              All his rigor is turned to grief and pity. --Denham.
        [1913 Webster]
              If I shall be condemn'd
              Upon surmises, . . . I tell you
              'T is rigor and not law.              --Shak.
        [1913 Webster]
     5. 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]
     6. 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.          --Addison.
        [1913 Webster]
     7. Violence; force; fury. [Obs.]
        [1913 Webster]
              Whose raging rigor neither steel nor brass could
              stay.                                 --Spenser.
        [1913 Webster]
     Syn: Stiffness; rigidness; inflexibility; severity;
          austerity; sternness; harshness; strictness; exactness.
          [1913 Webster]

From WordNet (r) 3.0 (2006) :

      n 1: something hard to endure; "the asperity of northern
           winters" [syn: asperity, grimness, hardship, rigor,
           rigour, severity, severeness, rigorousness,
      2: the quality of being valid and rigorous [syn: cogency,
         validity, rigor, rigour]
      3: excessive sternness; "severity of character"; "the harshness
         of his punishment was inhuman"; "the rigors of boot camp"
         [syn: severity, severeness, harshness, rigor,
         rigour, rigorousness, rigourousness, inclemency,
         hardness, stiffness]

From Moby Thesaurus II by Grady Ward, 1.0 :

  240 Moby Thesaurus words for "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

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