pernicious

• Descreve algo que causa dano ou prejuízo de forma gradual, sutil ou insidiosa, muitas vezes sem ser percebido de imediato.

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

   • 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.

   Sinônimoscorrosiveinsidioussubtle

   Antônimosbenignharmlesssalutary

2. Deadly or destructiveC2formal

   Causing great harm or death; fatal.

   Pernicioso

   • 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.

   Sinônimosbanefuldeadlydestructivefatalharmfullethalnoxiousruinous

   Antônimosbeneficialsalutarywholesome