insidiousness

unzählbar

A noun referring to the quality of being subtly harmful, treacherous, or having a gradual, cumulative damaging effect, often used in contexts such as disease or deception.

• 🇩🇪Eigenschaft, heimtückisch, hinterhältig oder verdeckt gefährlich zu sein; oft mit schleichender, allmählich zerstörerischer Wirkung, etwa bei Krankheiten oder Täuschung.

1. Subtle and cumulative harmfulness C2 formal medical

   The quality of being harmful in a gradual, subtle, and often unnoticed way, especially regarding a disease or condition.

   • The insidiousness of the virus made it difficult to detect until it was too late.
   • Doctors warned about the insidiousness of high blood pressure, which often shows no early symptoms.
   • The insidiousness of the disease lies in its ability to damage organs silently over many years.

   🇩🇪Heimtücke

   Synonyme: perniciousness

2. Quality of being designed to entrap C2 formal

   The quality of being cunning, treacherous, or intended to deceive and trap someone.

   • The insidiousness of the scam was revealed only after many victims had lost their savings.
   • He was unaware of the insidiousness of the plan, which was designed to ruin his reputation.
   • The insidiousness of the propaganda lay in its subtle manipulation of public opinion.

   🇩🇪Heimtücke

   Synonyme: artfulnesscraftinesscunningdeceitfulnessdeviousnessduplicityguileslynesstreacherywiliness

• insidiousnesses plural form
• insidiousnesses' possessive plural form
• insidiousness's possessive singular form