perniciousness (Meaning)

Wordnet

perniciousness (n)

grave harmfulness or deadliness

The perniciousness of the virus was evident in its rapid spread and devastating effects.
The rumor mill had spread with perniciousness, poisoning minds and dividing the community.
The unchecked growth of the tumor posed a pernicious threat to the patient's well-being.
The politician's pernicious lies had eroded public trust and fueled social unrest.
The addiction's pernicious grip had ensnared the victim, leading to a downward spiral of despair.
The relentless bombardment of negative news had a pernicious effect on the nation's morale.
The company's fraudulent practices had caused irreparable damage, revealing its pernicious nature.
The unchecked power of the dictator had led to a culture of fear and pernicious repression.
The perniciousness of the crime was compounded by its cold-hearted calculation and lack of remorse.
The disease's pernicious nature had rendered the patient bedridden and unable to care for themselves.

grave harmfulness or deadliness

detrimental,harmful, dangerous, damaging, adverse, noxious, baneful, ill, injurious, destructive

inoffensive, safe, inoffensive, innocuous, favorable, good, good, innocuous, harmless, innocent

The perniciousness of the virus was evident in its rapid spread and devastating effects.

The rumor mill had spread with perniciousness, poisoning minds and dividing the community.

The unchecked growth of the tumor posed a pernicious threat to the patient's well-being.

The politician's pernicious lies had eroded public trust and fueled social unrest.