Denigrate

The teacher should never denigrate a student's intelligence based on one mistake.

Some people denigrate those who choose to follow alternative lifestyles.

It's unfair to denigrate someone based on their religious beliefs.

The journalist wrote an article to denigrate the company's unethical business practices.

The politician used his speech to denigrate his opponents' policies, calling them ineffective and damaging.

The critics denigrate the director's latest film for its lack of originality.