1. harsh or demanding conditions; severe hardships or difficulties
Usage: British spelling of ‘rigors’; plural form
2. strict precision or thoroughness in method or approach
Usage: British spelling of ‘rigors’; plural form

Examples

• The rigours of military training prepared them for combat.
• She endured the rigours of medical school to become a doctor.
• The rigours of the Antarctic expedition tested their endurance.
• Academic rigours at the university were more demanding than expected.
• The rigours of scientific methodology ensure reliable results.
• Mountain climbers must prepare for the rigours of high altitude.
• The rigours of professional ballet require years of training.