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.
Word Origin and History for lytic Expand. adj. pertaining to lysis, 1889, from Greek lytikos able to loose, loosing, from lytos loosed, verbal adjective of lyein to unfasten, loose, loosen, untie (see lose). Related: Lytically.