virulent

As a noun ignominy

is great dishonor, shame, or humiliation.

As an adjective virulent is

(chiefly|medicine|of a disease or disease-causing agent) highly infectious, malignant or deadly.

As adjectives the difference between vicious and virulent

is that vicious is pertaining to vice; characterised by immorality or depravity while virulent is highly infectious, malignant, or deadly.

As adjectives the difference between virulent and inimical

is that virulent is (chiefly|medicine|of a disease or disease-causing agent) highly infectious, malignant or deadly while inimical is harmful in effect.

As adjectives the difference between virulent and abrasive

is that virulent is highly infectious, malignant, or deadly while abrasive is producing abrasion; rough enough to wear away the outer surface.

As a noun abrasive is

a substance or material such as sandpaper, pumice, or emery, used for cleaning, smoothing, or polishing.

As adjectives the difference between transmissible and virulent

is that transmissible is able to be transmitted while virulent is highly infectious, malignant, or deadly.

As adjectives the difference between virulent and detrimental

is that virulent is highly infectious, malignant, or deadly while detrimental is causing damage or harm.

As a noun infection

is (pathology) the act or process of infecting.

As an adjective virulent is

(chiefly|medicine|of a disease or disease-causing agent) highly infectious, malignant or deadly.

As adjectives the difference between virulent and lethal

is that virulent is highly infectious, malignant, or deadly while lethal is deadly; mortal; fatal.

As a noun lethal is

one of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid.

As adjectives the difference between virulent and invasive

is that virulent is highly infectious, malignant, or deadly while invasive is that invades a foreign country using military force.

As a noun invasive is

an invasive organism, as, a plant or animal.

As adjectives the difference between caustic and virulent

is that caustic is caustic while virulent is (chiefly|medicine|of a disease or disease-causing agent) highly infectious, malignant or deadly.