The term "negative characterization" is correct and can be used in written English.
It refers to the portrayal of a character, action, or situation in a negative or unfavorable light. Example: The author's use of negative characterization painted the antagonist as a cunning and deceitful individual, creating a sense of tension and mistrust among the other characters.
Why the relentlessly negative characterization of politics inflected biologically?
Your negative characterization of the public schools in Newark is unfair and makes the road to improvement even more difficult.
And Trump has doubled down on the sharply negative characterization of illegal immigrants as "rapists" and other criminals.
Clarification: the negative characterization of the West Wing in my previous tweet is entirely my own, & based on the early days of the Administration, not today.
This article, with its frightening illustration, is representative of the way in which the nation's press fueled the negative characterization of anarchists.
What further marks Mr. Nasaw's account is his evenhandedness, his refusal to trade on popular mythologies about Hearst, like the indelibly negative characterization of him in Orson Welles's film "Citizen Kane".
She does not abide negative characterizations of her son.
What positive and/or negative characterizations do they present?
Such revelation may be what Hage intends, but his negative characterizations are broad clichés, much too easy and too flattering to the narrator and the reader.
The artists behind the sculpture told Animal New York and Mashable earlier on Monday that they wanted to work to counter such negative characterizations.
Through the generations, negative characterizations of the church changed along with the power of the church — from nativist xenophobia about "the Catholic Menace" to more modern conflicts: anti-Communist fervor, school closings, sexual abuse of children by priests, and the censuring of politicians who favor abortion rights.
