Definition of "opprobrious"

"Don’t speak of my painting before Naumann," said Will. "He will tell you, it is all pfuscherei, which is his most opprobrious word!"

1871–1872, George Eliot [pseudonym; Mary Ann Evans], chapter XXII, in Middlemarch […], volumes (please specify |volume=I to IV), Edinburgh, London: William Blackwood and Sons, book (please specify |book=I to VIII)

KLAUS: You're so much nicer than the other one. He was a complete asshole! REGINALD: Such opprobrious language for your father! KLAUS: Yeah, I… I don't know what that means.

2022, “Marigold”, in The Umbrella Academy, season 3, episode 6