definition 1: strictness, severity, inflexibility, or harshness, as of manner, judgment, or law.
The law was enforced with great rigor.
definition 2: severity or harshness of living conditions, climate, or other circumstances.
These tires are meant to handle the rigors of winter weather.
definition 3: a particular severe, harsh, or cruel act or circumstance.
He could not forget the rigors that he had endured in the hands of his captors.
definition 4: strict or scrupulous accuracy; precision; exactness.
The research was carried out with scientific rigor.
definition 5: a condition of rigidity in muscle tissues, such that they cannot respond to stimuli.
The injection caused rigor.