Insulting to someone or something: critisism.
1) The reviewer used a pejorative word towards the writer, which caused an uproar among the crowd.
2) Using pejorative words to describe young people often makes them less confident of their capabilities.
Late Latin pajoratus, past participle of pajorare which means 'to make worse'.
belittling, contemptuous, degrading, demeaning
commendatory, complimentary, encouraging.