The researchers rigorously tested the new vaccine before beginning clinical trials.

The rigorous training regimen prepared the team for the championship.

The rigorousness of the safety inspections gave the workers confidence that the building was sound.

The committee compared the rigorousnesses of different accreditation processes before making a decision.

The new policy's rigorism in interpreting safety standards left no room for reasonable exceptions.

Recent rigorizations in the audit process led to longer review periods and clearer compliance standards.

The professor's rigorization of the proof clarified several subtle assumptions that had been implicit.

She endured the rigors of the mountain expedition with quiet determination.

The committee rigorizes the certification process to ensure consistency across all evaluations.

The committee is rigorizing the certification standards to ensure safety.