Definitions of rigor

  1. something hard to endure; " the asperity of northern winters"
  2. excessive sternness; " severity of character"; " the harshness of his punishment was inhuman"; " the rigors of boot camp"
  3. A sense of chilliness, with contraction of the skin; a convulsive shuddering or tremor, as in the chill preceding a fever.
  4. The becoming stiff or rigid; the state of being rigid; rigidity; stiffness; hardness.
  5. See 1st Rigor, 2.
  6. Severity of climate or season; inclemency; as, the rigor of the storm; the rigors of winter.
  7. Stiffness of opinion or temper; rugged sternness; hardness; relentless severity; hard- heartedness; cruelty.
  8. Severity of life; austerity; voluntary submission to pain, abstinence, or mortification.
  9. Violence; force; fury.
  10. 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.
  11. Stiffness; strictness; sternness; severity; as, the rigors of a northern winter; a, violent chill caused by cold or nervous shock.
  12. The quality of being rigid or severe: stiffness of opinion or temper: strictness: severity of climate: ( med.) a sense of chilliness attended by a shivering.
  13. Strictness; severity; shivering.
  14. Stiffness of opinion; strictness; harshness; austerity.
  15. Inclemency, as of weather; asperity.
  16. A violent chill from cold or nervous shock.
  17. In med., a sudden coldness with shivering, symptomatic of the beginning of a disease, especially of fever.
  18. The rigid state of plants when they are not sensitive to stimuli ; a state of rigidity.