Malignantly

[mə'lignəntli]

(adv.) in a malignant manner, as of a tumor that spreads.

Typed by Lena--From WordNet

(adv.) In a malignant manner.

Typist: Susan

I couldn't have believed it, sir' said Mrs Mann, holding up her hands, and looking malignantly at Dick. Charles Dickens. Oliver Twist.

Typist: Susan