archvillain

As a noun archvillain

is a supreme villain; the most evil or powerful villain.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As a noun archvillain is

a supreme villain; the most evil or powerful villain.

As nouns the difference between taxonomy and archvillain

is that taxonomy is the science or the technique used to make a classification while archvillain is a supreme villain; the most evil or powerful villain.

Archvillain is a related term of supervillain.

As nouns the difference between supervillain and archvillain

is that supervillain is a fantasy fiction criminal or evil-doer, often with supernatural powers or equipment, in popular children's and fantasy literature who can present a credible challenge for a superhero while archvillain is a supreme villain; the most evil or powerful villain.

As nouns the difference between villain and archvillain

is that villain is a vile, wicked person while archvillain is a supreme villain; the most evil or powerful villain.

As a verb villain

is to debase; to degrade.