rigor Synonyms

severity harshness stiffness inflexibility rigorousness exactness validity severeness strictness grimness hardness hardship sternness inclemency rigour cogency rigidness asperity austerity rigourousness punctiliousness exactingness rigor mortis unbendingness rockiness rigors rigorism meticulousness rigidity rawness puritanism punctuality preciseness relentlessness scrupulousness vicissitude astringence inclementness toughness thoroughness stringency trial traditionalism strict intransigence exactitude precision permanence ordeal criticalness