It is the use of derogatory language or words that carry a negative connotation when describing an enemy.

这种手段运用含有负面含义的贬损的语言或者词汇来描绘敌人。

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It argues that "derogatory" language about animals can affect the way that they are treated.

该篇文章认为使用这样“贬义”的语言会影响到我们对待动物的方式。

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Parents also have to pledge to display good sportsmanship, and not use negative or derogatory language with officials, coaches, other parents or kids.

WSJ: Ref's death a consequence of lack of sportsmanship

LaViolette has described for jurors Arias' volatile relationship with Alexander, portraying the man as a womanizing cheater who courted multiple women simultaneously, using graphic language to entice them into sexual encounters, while berating Arias with derogatory names.

NPR: Prosecutor Paints Jodi Arias As Manipulative Liar