from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Chiefly British Variant of rigor.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Severity or strictness.
  • n. A trembling or shivering response.
  • n. Character of being unyielding or inflexible.
  • n. Shrewd questioning.
  • n. Higher level of difficulty.
  • n. Common misspelling of rigor. An abbreviated form of rigour mortis.

from The Century Dictionary and Cyclopedia

  • n. etc. See rigor, etc.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the quality of being valid and rigorous
  • n. excessive sternness
  • n. something hard to endure


From Middle English, from Anglo-Norman, from Old French rigor, from Latin rigor ("stiffness, rigidness, rigor, cold, harshness"), from rigere ("to be rigid"). Compare French rigueur. (Wiktionary)


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