rigor
//ˈrɪɡər//
Noun
rigorSingular
rigorsPlural
1
The quality of being extremely thorough, exhaustive, or accurate.
The scientific study was conducted with great rigor.
2
Severity or strictness in judgment, conduct, or discipline.
The teacher is known for the rigor of her grading standards.
3
Harsh and demanding conditions; hardship.
The explorers endured the rigors of the harsh winter.