pernicious

Pernicious is a related term of flagitious.

As adjectives the difference between pernicious and flagitious

is that pernicious is causing much harm in a subtle way while flagitious is (literary) of people: guilty of terrible crimes; wicked, criminal.

Criminal is a related term of pernicious.

As adjectives the difference between criminal and pernicious

is that criminal is being against the law; forbidden by law while pernicious is causing much harm in a subtle way.

As a noun criminal

is a person who is guilty of a crime, notably breaking the law.

As an adjective pernicious

is causing much harm in a subtle way.

As a verb corrupting is

present participle of corrupt.

Demolished is a related term of pernicious.

As a verb demolished

is (demolish).

As an adjective pernicious is

causing much harm in a subtle way.

As an adjective pernicious is

causing much harm in a subtle way.

As adjectives the difference between hazardous and pernicious

is that hazardous is risky, dangerous, with the nature of a hazard while pernicious is causing much harm in a subtle way.

Damaging is a related term of pernicious.

As adjectives the difference between damaging and pernicious

is that damaging is harmful; injurious; causing damage while pernicious is causing much harm in a subtle way.

As a verb damaging

is .

Furtive is a related term of pernicious.

As adjectives the difference between furtive and pernicious

is that furtive is stealthy while pernicious is causing much harm in a subtle way.

As adjectives the difference between undercover and pernicious

is that undercover is performed or happening in secret while pernicious is causing much harm in a subtle way.

As a noun undercover

is a person who works undercover.

Pernicious is a related term of dreadful.

As adjectives the difference between pernicious and dreadful

is that pernicious is causing much harm in a subtle way while dreadful is causing dread; very bad.

As a noun dreadful is

a shocking or sensational crime.