virulence

Grudge is a related term of virulence.

As nouns the difference between grudge and virulence

is that grudge is (countable) deep-seated animosity or ill-feeling about something or someone while virulence is the state of being virulent.

As a verb grudge

is (obsolete) to grumble, complain; to be dissatisfied.

Bitterness is a related term of virulence.

As nouns the difference between bitterness and virulence

is that bitterness is the quality of having a bitter taste while virulence is the state of being virulent.

Malice is a synonym of virulence.

As nouns the difference between malice and virulence

is that malice is intention to harm or deprive in an illegal or immoral way desire to take pleasure in another's misfortune while virulence is the state of being virulent.

As nouns the difference between vitriol and virulence

is that vitriol is vitriol (sulfuric acid) while virulence is the state of being virulent.

As nouns the difference between virulence and aggressiveness

is that virulence is the state of being virulent while aggressiveness is (uncountable) the state or quality of being aggressive.

Pique is a related term of virulence.

As nouns the difference between pique and virulence

is that pique is a kind of ribbed or corded fabric while virulence is the state of being virulent.

Maliciousness is a related term of virulence.

As nouns the difference between maliciousness and virulence

is that maliciousness is the condition of being malicious; malevolence or malice while virulence is the state of being virulent.

Rancor is a related term of virulence.

As nouns the difference between rancor and virulence

is that rancor is the deepest malignity or spite; deep-seated enmity or malice; inveterate hatred while virulence is the state of being virulent.

Animosity is a related term of virulence.

As nouns the difference between animosity and virulence

is that animosity is violent hatred leading to active opposition; active enmity; energetic dislike while virulence is the state of being virulent.

Venom is a related term of virulence.

As nouns the difference between venom and virulence

is that venom is a poison carried by an animal, usually injected into an enemy or prey by biting or stinging; atter while virulence is the state of being virulent.

As a verb venom

is to infect with venom; to envenom; to poison.