Rigor word meaning and definition

[noun] excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp"
[noun] something hard to endure; "the asperity of northern winters"
[noun] the quality of being logically valid

\Ri"gor\, n. [L. See {Rigor}., below.] 1. Rigidity; stiffness. 2. (ed.) A sense of chilliness, with contraction of the skin; a convulsive shuddering or tremor, as in the chill preceding a fever. {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.
\Rig"or\, n. [OE. rigour, OF. rigour, F. rigueur, from L. rigor, fr. rigere to be stiff. See {Rigid}.] [Written also {rigour}.] 1. The becoming stiff or rigid; the state of being rigid; rigidity; stiffness; hardness. The rest his look Bound with Gorgonian rigor not to move. --Milton. 2. (Med.) See 1st {Rigor}, 2. 3. Severity of climate or season; inclemency; as, the rigor of the storm; the rigors of winter. 4. Stiffness of opinion or temper; rugged sternness; hardness; relentless severity; hard-heartedness; cruelty. All his rigor is turned to grief and pity. --Denham. If I shall be condemn'd Upon surmises, . . . I tell you 'T is rigor and not law. --Shak. 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}. 6. Severity of life; austerity; voluntary submission to pain, abstinence, or mortification. The prince lived in this convent with all the rigor and austerity of a capuchin. --Addison. 7. Violence; force; fury. [Obs.] Whose raging rigor neither steel nor brass could stay. --Spenser. Syn: Stiffness; rigidness; inflexibility; severity; austerity; sternness; harshness; strictness; exactness.

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