What is "pejoratives"

Usage examples of "pejoratives".

The rest could be described as onomatopoesy, semantically null but highly emotional-that is to say, cursing, pejoratives, and improbable insults in several languages-"

Miro often wondered, but never dared to ask, if she had any pejoratives for humans.

The media had a bonanza, capturing red-faced, spluttering professors hurling pejoratives from the floor, the AAAS president pulping a file folder on the edge of his table as he shouted for order, and Sariena at the podium, quiet and dignified, waiting while one mêlée after another erupted and subsided.