treating people unfairly because of their race, sex, age etc► prejudiced treating someone unfairly and having an unreasonable dislike of them because of their race, sex etc, or because they are old, disabled etc: · The media had very prejudiced attitudes towards disabled people.· I don’t want to sound prejudiced, but I do think women are better at this type of job.
► racist treating someone unfairly because of their race: · racist remarks· Children pick up racist attitudes from their parents.
► sexist treating someone unfairly because of their sex: · He had made sexist comments to several women in the office.· The show was about two female inspectors who had trouble with their sexist bosses.
► ageist treating someone unfairly because of their age – used especially when old people are unfairly treated: · Ageist attitudes result in older people being discriminated against in the workplace.
► homophobic treating someone unfairly because they are homosexual: · Many of his songs are homophobic.
treating older people unfairly because of a belief that they are less important than younger people: 
The article seemed somewhat insensitive and ageist to me.—ageist noun [countable]