He was given a severe warning for coming late.

A. rigorous

B. stern

C. harsh

D. strict

Answer: Option B

Solution(By Examveda Team)

Rigorous : extremely thorough and careful.
Stern : (of a person or their manner) serious and unrelenting, especially in the assertion of authority and exercise of discipline.
Harsh : unpleasantly rough or jarring to the senses.
Strict : demanding that rules concerning behaviour are obeyed and observed.
Severe : (of a person) formal and unsmiling.

Synonym of Severe is Stern