Mr. Bounderby still walking up and down when Mrs. Pegler had done, Mr. Gradgrind addressed that maligned old lady: ’I am surprised, madam,’ he observed with severity, ’that in your old age you have the face to claim Mr. Bounderby for your son, after your unnatural and inhuman treatment of him.’
There are no more uses of "malign" in the book.
Show samples from other sources
I glared at her—the woman had maligned me—and then I noticed for the first time the swell in her belly and realized she was pregnant again.
Gillian Flynn -- Gone Girl
But to malign the good name of America’s greatest television judge—that’s below the belt."