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 lyÂ·sis (lÄ«'sÄ­s) n. pl. lyÂ·ses (-sÄz) The gradual subsiding of the symptoms of an acute disease; a form of the recovery process. The dissolution or destruction of cells, such as blood cells or bacteria, as by the action of a specific lysin.