1 Harsh and strict treatment in the military for cadets is an example of rigor. 2  Freezing weather and ice are examples of the rigors of winter. 3  Difficult and challenging academic courses are an example of academic rigor.  harshness or severity; specif.,
The suffix-lysis means to breakdown; separation; destruction; or loosening.
lysis. n, pl-ses (-siËz). 1. (Biochemistry) the destruction or dissolution of cells by the action of a particular lysin. 2. (Medicine) med the gradual reduction in severity of the symptoms of a disease.