Definition of Rigor

Noun: rigor  ri-gur
Usage: US (elsewhere: rigour)

1. The quality of being hard to endure, uninviting or formidable
   "the rigor of northern winters";
   - asperity, grimness, hardship, rigour [Brit, Cdn], severity, severeness, rigorousness, rigourousness [Brit, non-standard]
    
2. The quality of being valid and rigorous
   - cogency, validity, rigour [Brit, Cdn]
    
3. Excessive sternness
   "the rigors of boot camp";
   - severity, severeness, harshness, rigour [Brit, Cdn], rigorousness, rigourousness [Brit, non-standard], inclemency, hardness, stiffness

See also:
rigmaroles
rigorism

Anagrams containing the word rigor

rriog rrigo orrig gorri igorr