The door is opened by the perennial Judy, who, having surveyed them from top to toe with no particular favour, but indeed with a malignant sneer, leaves them standing there while she consults the oracle as to their admission.
Then the active and intelligent, who has got into the morning papers as such, comes with his pauper company to Mr. Krook’s and bears off the body of our dear brother here departed to a hemmed-in churchyard, pestiferous and obscene, whence malignant diseases are communicated to the bodies of our dear brothers and sisters who have not departed, while our dear brothers and sisters who hang about official back-stairs—would to heaven they HAD departed!
…after visiting Mrs. Smallweed with one of these admonitions, is particularly impressive and not wholly prepossessing, firstly because the exertion generally twists his black skull-cap over one eye and gives him an air of goblin rakishness, secondly because he mutters violent imprecations against Mrs. Smallweed, and thirdly because the contrast between those powerful expressions and his powerless figure is suggestive of a baleful old malignant who would be very wicked if he could.
There are no more uses of "malignant" in the book.
Show samples from other sources
Gey and his wife, Margaret, had spent the last three decades working to grow malignant cells outside the body, hoping to use them to find cancer’s cause and cure.
Rebecca Skloot -- The Immortal Life of Henrietta Lacks
He hit it [the shark] without hope but with resolution and complete malignancy.