pejorative

Disparaging; belittling.

A disparaging or belittling word or expression.

Tending or intended to depreciate or deteriorate, as the sense of a word; giving a low or bad sense to.

In grammar, a word that depreciates or deteriorates the sense: thus, poetaster is a pejorative of poet, criticaster of critic.

Implying or imputing evil; depreciatory; disparaging; unfavorable.