A pejorative word, phrase, slur, or derogatory term is a word or grammatical form expressing a negative or a disrespectful connotation, a low opinion, or a lack of respect toward someone or something. It is also used to express criticism, hostility, or disregard. Sometimes, a term is regarded as pejorative in some social or ethnic groups but not in others or may be originally pejorative but later adopt a non-pejorative sense in some or all contexts.