rigour

(noun)

noun

1. the quality of being valid and rigorous

Similar word(s): cogency, rigor, validity

Definition categories: attribute, believability, credibility, credibleness

2. something hard to endure

Similar word(s): asperity, grimness, hardship, rigor, rigorousness, severeness, severity

Definition categories: attribute, difficultness, difficulty

3. excessive sternness

Similar word(s): hardness, harshness, inclemency, rigor, rigorousness, severeness, severity, stiffness

Definition categories: attribute, sternness, strictness