Synonyms for Perniciously:

• n.

  •Other relevant words: (noun)
  • insidiously,
  • banefully,
  • Depravedly,
  • wickedly.

• Other synonyms:

  •Other relevant words (noun):
  • Pestilently,
  • fatally,
  • detrimentally,
  • hurtfully,
  • evilly,
  • malevolently,
  • deleteriously,
  • calamitously,
  • balefully,
  • nefariously,
  • dangerously,
  • mischievously,
  • foully,
  • harmfully,
  • elusively,
  • badly,
  • corruptly,
  • lethally,
  • nastily,
  • maliciously,
  • noxiously,
  • destructively,
  • deadly,
  • virulently,
  • Inimically,
  • illy,
  • maleficently,
  • poisonously,
  • sinfully,
  • unhealthily,
  • Pestilentially,
  • injuriously,
  • Malignly,
  • subtly,
  • mortally,
  • disadvantageously,
  • ruinously,
  • malignantly,
  • prejudicially.