Definition of rigor

• n. - Rigidity; stiffness.
• n. - A sense of chilliness, with contraction of the skin; a convulsive shuddering or tremor, as in the chill preceding a fever.
• n. - The becoming stiff or rigid; the state of being rigid; rigidity; stiffness; hardness.
• n. - See 1st Rigor, 2.
• n. - Severity of climate or season; inclemency; as, the rigor of the storm; the rigors of winter.
• n. - Stiffness of opinion or temper; rugged sternness; hardness; relentless severity; hard-heartedness; cruelty.
• n. - 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.
• n. - Severity of life; austerity; voluntary submission to pain, abstinence, or mortification.
• n. - Violence; force; fury.