DictionaryfiendEvil supernatural being
noun

fiend

FEEND/fiːnd/

A demon imagined as violently wicked.

The horned fiend crouches with bared fangs and reaching claws.

A menacing horned demon crouches forward with bared fangs and reaching claws, illustrating the literal demon sense of “fiend.”.
Etymology

Feond meant an enemy and came to name the Devil as humanity's adversary, then a diabolical person. The use for an obsessive devotee, as in “dope fiend,” is a later extension.

In context

M2AF3:39
He's an alcohol fiend just like me, dude. My homie is a drinker.
dichotomy

More examples

  • In the legend, a fiend rises from the pit to attack travelers.
  • The wizard summons a fiend that turns against him.
  • The villagers pray for protection from the fiends roaming the forest.

Forms

fiend · fiends

fiendish adjective — Extremely wicked, cruel, or devilish.

Similar words

demon
Broad term for an evil spirit, without emphasizing violent wickedness.
devil
Often refers to Satan rather than just any evil being.