" malignantly "

1: in a mean or spiteful manner;

  * e.g., " ... she's malignantly conspiring to ruin her rival's career "

•  Synonyms : 

•  bitchily,

•  cattily,

•  despitefully,

•  hatefully,

•  malevolently,

•  maliciously,

•  meanly,

•  nastily,

•  spitefully,

•  viciously,

•  villainously,

•  virulently,

•  wickedly

•  Antonyms : 

•  benevolently,

•  benignantly,

•  good-heartedly,

•  kindheartedly,

•  kindly

1: having or showing a desire to cause someone pain or suffering for the sheer enjoyment of it;

  * e.g., " ... a malignant wish to lash out at everyone who was smarter, richer, or better-looking than he was "

•  Synonyms : 

•  bad,

•  bitchy,

•  catty,

•  cruel,

•  despiteful,

•  hateful,

•  malevolent,

•  malicious,

•  malign,

•  mean,

•  nasty,

•  spiteful,

•  vicious,

•  virulent

•  Antonyms : 

•  benevolent,

•  benign,

•  benignant,

•  loving,

•  unmalicious