AskEraser  |  Settings
Ask.com   
 


Synonyms
rig·or·ous (rĭǵər-əs)

adjective 

  1. Characterized by or acting with rigor: a rigorous program to restore physical fitness.
  2. Full of rigors; harsh: a rigorous climate.
  3. Rigidly accurate; precise. See synonyms at burdensome

derivatives

riǵor·ous·ly
adverb
riǵor·ous·ness
noun