Harsh and strict treatment in the military for cadets is an example of rigor.
Freezing weather and ice are examples of the rigors of winter.
Difficult and challenging academic courses are an example of academic rigor.
- Strictness or inflexibility.The rigor of martial law.
- Extreme hardship or difficulty.The rigors of life.
- Inclemency, as of weather.
Origin of rigor
- Middle English rigour from Old French from Latin rigor from rigēre to be stiff reig- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- From Old French, from Latin rigor (“stiffness, rigidness, rigor, cold, harshness"), from rigere (“to be rigid").