Synonyms|522Antonyms|45|Broader|16Narrower|18Related|202
3
heavy(noun, person, bad, evil)
3
hell-raiser
3
hoodlum(noun, evildoer)
3
kook(noun, person, madness, insanity, lunatic)
3
lamia
3
madcap(noun, person, madness, insanity, psycho)
3
madman(noun, person, madness, insanity, lunatic)
3
malefactor(noun, person, bad, evil)
3
misdoer(noun, person, bad, evil)
3
ogress
3
psychopath(noun, person, madness, insanity, lunatic)
3
psychotic(noun, person, madness, insanity, lunatic)
3
terror(noun, villain, brute, beast)
3
terrorist(noun, evildoer)
3
the devil
3
tough(noun, evildoer)
3
votary(noun, interest, supporter, fan, follower)
3
werewolf
2
bogeyman(noun, monster, sprite, elf)
2
collector
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APASmart Define. (2015). fiend thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fiend/thesaurus/synonyms
ChicagoSmart Define. 2015. "fiend thesaurus" https://smartdefine.org/fiend/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, fiend thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fiend/thesaurus/synonyms>.
MLASmart Define. "fiend thesaurus" 24 December 2015. Web. 23 September 2026. <https://smartdefine.org/fiend/thesaurus/synonyms>