n.

1. 嚴格；嚴厲；苛刻[U]
2. （生活等的）艱苦；（氣候的）嚴酷[P1][（+of）]
3. 苛嚴待遇；苛嚴行為[P1]
   He was subjected to the rod in all its rigors in this school.

   他在這所學校裡受盡了籉杖體罰之苦。

4. 嚴密，精確[U]
5. 【醫】強直[U]
6. 【醫】發燒前的寒戰[U]

n.

1. a sudden feeling of cold accompanied by shivering and a rise in temperature, especially at the onset or height of a fever.
2. short for rigor mortis.

n.