[ rig-er ]
/ ˈrɪg ər /


Nearby words

  1. rigil kentaurus,
  2. rigmarole,
  3. rigodon,
  4. rigolet,
  5. rigoletto,
  6. rigor mortis,
  7. rigorism,
  8. rigorous,
  9. rigorously,
  10. rigour

Also especially British, rig·our.

Origin of rigor

1350–1400; Middle English rigour < Latin rigor stiffness, equivalent to rig(ēre) to be stiff + -or -or1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rigors

British Dictionary definitions for rigors


/ (ˈraɪɡɔː, ˈrɪɡə) /


med a sudden feeling of chilliness, often accompanied by shivering: it sometimes precedes a fever
(ˈrɪɡə) pathol rigidity of a muscle; muscular cramp
a state of rigidity assumed by some animals in reaction to sudden shock
the inertia assumed by some plants in conditions unfavourable to growth

Word Origin for rigor

see rigour

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rigors



late 14c., from Old French rigor "strength, hardness" (13c., Modern French rigueur), from Latin rigorem (nominative rigor) "numbness, stiffness, hardness, firmness; roughness, rudeness," from rigere "be stiff" (see rigid).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for rigors


[ rĭgər ]


Shivering or trembling, as caused by a chill.
A state of rigidity in living tissues or organs that prevents response to stimuli.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.