Wiktionary
pejoratively
adv. In a pejorative manner. insultingly, disparagingly. Used in a manner to belittle or harm the reputation of another.
WordNet
pejoratively
adv. in a pejorative manner; "I am not using the word pejoratively"
Usage examples of "pejoratively".
It was not meant pejoratively, but was the affectionate name he had bestowed on the four-year-old who had been placed in his care over a decade before.