Synonyms of fiend in English:

fiend


See US English definition of fiend

See UK English definition of fiend

See Spanish definition of demonio

noun

1‘a fiend had taken possession of him’

SYNONYMS
demon, devil, evil spirit, imp, bogie
incubus, succubus
hellhound
informal spook
rare cacodemon

2‘a fiend bent on global evil-doing’

SYNONYMS
brute, beast, villain, barbarian, monster, ogre, sadist, evil-doer
informal baddie, swine
archaic blackguard

3‘a drug fiend’

SYNONYMS
addict, abuser, user
informal junkie, -head, freak

4‘I'm a fiend for Mexican food’

SYNONYMS
enthusiast, fanatic, maniac, addict
devotee, fan, lover, follower
aficionado, connoisseur, appreciator
informal buff, freak, nut, ham, sucker, great one