IPA: /ˈrɪɡər/
KK: /ˈrɪɡər/
A difficult or challenging situation that requires great effort or endurance; it can also refer to a state of stiffness in living tissues or a harsh condition.
The students faced the rigor of their final exams with determination and hard work.
Rigor is derived from the Latin word "rigor" (meaning stiffness or rigidity). The term refers to a state of being strict or severe, often associated with inflexibility or harshness.
Think of 'stiffness' to remember that 'rigor' means a strict or severe condition.