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."
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." "If I shall be condemn'd Upon surmises,... I tell you 'T is rigor and not law."
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."
7.Violence; force; fury. (Obs.) "Whose raging rigor neither steel nor brass could stay."