2
colossus
2
crank(noun, crazy, radical, freak, lunatic)
2
cutthroat(noun, evildoer)
2
daeva
2
demigod
2
desperado(noun, evildoer)
2
dickens
2
evil one(noun, verb, expression, phrasal verb, brute)
2
extremist(noun, radical, fanatic, intolerant, freak)
2
fury
2
giant
2
hobgoblin(noun, devil, sprite, elf)
2
hophead
2
little devil(noun, expression, person, evil, villain)
2
loony(noun, person, crazy, nut, fanatic)
2
lover(noun, nut, supporter, fan, follower)
2
mad dog
2
monomaniac(noun, interest, radical, fanatic, intolerant)
2
patron(noun, supporter, fan, follower, partisan)
2
rapist(noun, person, madness, insanity, psycho)
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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>