pernicious

• Describe algo que causa un daño grave o un efecto nocivo, a menudo de manera gradual u oculta.

Describes something that has a harmful effect, especially in a gradual or subtle way.

1. Harmful in a gradual or subtle wayC1formal

   Having a harmful effect, especially in a way that is not easily noticed or is gradual.

   pernicioso (daño gradual o sutil)

   • The pernicious influence of propaganda can erode democratic values.
   • Pernicious gossip can destroy reputations over time.
   • The pernicious effects of pollution on health are well documented.

   Sinónimoscorrosiveinsidioussubtle

   Antónimosbenignharmlesssalutary

2. Deadly or destructiveC2formal

   Causing great harm or death; fatal.

   Mortífero o dañino

   • The pernicious disease spread rapidly through the population.
   • Pernicious anemia is a serious condition that affects red blood cells.
   • The pernicious weed choked out all other plants in the garden.

   Sinónimosbanefuldeadlydestructivefatalharmfullethalnoxiousruinous

   Antónimosbeneficialsalutarywholesome