'Rigor' definitions:

Definition of 'rigor'

From: WordNet
noun
Something hard to endure; "the asperity of northern winters" [syn: asperity, grimness, hardship, rigor, rigour, severity, severeness, rigorousness, rigourousness]
noun
The quality of being valid and rigorous [syn: cogency, validity, rigor, rigour]
noun
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]

Definition of 'Rigor'

From: GCIDE
  • 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]

Definition of 'Rigor'

From: GCIDE
  • Rigor \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. [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]

Synonyms of 'rigor'

From: Moby Thesaurus