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

At their recent rallies, the most prominent new hardline group, the Buddhist Strength Force (Bodu Bala Sena, BBS) have used coarse, derogatory language to describe Muslim imams and have told the Sinhalese majority not to rent property to Muslims.

BBC: The hardline Buddhists targeting Sri Lanka's Muslims

The statement said that while some language used by Miss Brown was offensive, particularly derogatory comments about particular social groups, it did not believe they were grossly offensive.

BBC: Paris Brown