Manifesting, exercising, or favoring rigor; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.
Severe; intense; inclement; as, a rigorous winter.
All of us who desire the kingdom of God are, by the Lord's decree, under an equal and rigorous necessity of seeking after the grace of Baptism. Saint Basil
To take photographs means to recognize - simultaneously and within a fraction of a second - both the fact itself and the rigorous organization of visually perceived forms that give it meaning. It is putting one's head, one's eye and one's heart on the same axis. Henri Cartier-Bresson
All, all is theft, all is unceasing and rigorous competition in nature; the desire to make off with the substance of others is the foremost - the most legitimate - passion nature has bred into us and, without doubt, the most agreeable one. Marquis de Sade
Within psychology and neuroscience, some new and rigorous experimental paradigms for studying consciousness have helped it begin to overcome the stigma that has been attached to the topic for most of this century. David Chalmers
You got to be rigorous in your appraisal system. The biggest cowards are managers who don't let people know where they stand. Jack Welch
rigorous in Dutch is streng, wettisch, gestreng, strikt
rigorous in Finnish is ankara
rigorous in French is rigoureux
rigorous in German is hart, hart, streng
rigorous in Italian is severo
rigorous in Spanish is riguroso