'malignantly' definitions:

Definition of 'malignantly'

From: WordNet
adverb
In a malignant manner, as of a tumor that spreads

Definition of 'malignantly'

From: GCIDE
  • malignantly \ma*lig"nant*ly\, adv. In a malignant manner. [1913 Webster]

Synonyms of 'malignantly'

From: Moby Thesaurus