The phrase 'negative role model' is correct and usable in written English.
You may use this phrase when you are referring to a person whose behavior or actions present a bad example. For example: His girlfriend's lifestyle is a negative role model for their young daughter.
When they feel threatened, they too are prepared to sacrifice civil liberties - thus providing a new negative role model for others.
For the Greeks, who were struggling to rise above an all-too-recent state of wildness and brutality, the centaur was a negative role model.
Early on, I used my parents as a negative role model for investing.
Older siblings can play a crucial role in the socialisation process by acting as a positive or negative role model, by promoting forms of control within the family, or by providing additional concrete support through participation (Crul, 2000; Malecki & Demaray, 2003).
No more being in ads or strutting the catwalks in these countries if you are underweight and thus a negative role model for our teens.
The character's influence in the industry has been a point of contention among critics; viewpoints range from a positive agent of change in video games to a negative role model for young girls.
"Italian children have been shown negative role models which glamorize mob life and violence.
Masking self-protective equivocation as opinion is very negative role modelling for young women.
The negative role models Siobhan Freegard has commissioned a report to complain about do amusing things all the time.
School officials in Vernonia had shown that the student athletes there were at the center of a drug culture and were negative role models for other students.
The hope is to keep harmful and illegal drugs from impressionable children and adults who are trying to emulate negative role models like Giambi and Bonds.
